diff --git a/gossip/privdata/pull.go b/gossip/privdata/pull.go
index c7a1f11746e..e375ea71cc3 100644
--- a/gossip/privdata/pull.go
+++ b/gossip/privdata/pull.go
@@ -35,7 +35,7 @@ const (
 
 type PrivateDataRetriever interface {
 	// CollectionRWSet returns the bytes of CollectionPvtReadWriteSet for a given txID and collection from the transient store
-	CollectionRWSet(txID, collection string) []util.PrivateRWSet
+	CollectionRWSet(txID, collection, namespace string) []util.PrivateRWSet
 }
 
 // gossip defines capabilities that the gossip module gives the Coordinator
@@ -130,6 +130,7 @@ func (p *puller) createResponse(message proto.ReceivedMessage) []*proto.PvtDataE
 			Channel:    p.channel,
 			Collection: dig.Collection,
 			TxId:       dig.TxId,
+			Namespace:  dig.Namespace,
 		})
 		if pol == nil {
 			logger.Debug("No policy found for channel", p.channel, ", collection", dig.Collection, "txID", dig.TxId, "skipping...")
@@ -148,7 +149,7 @@ func (p *puller) createResponse(message proto.ReceivedMessage) []*proto.PvtDataE
 		}
 		// TODO: dig in the ledger if it's not in the transient store
 		// Else, it's eligible to receive the private data, so we append it to the returned slice
-		rwSets := p.CollectionRWSet(dig.TxId, dig.Collection)
+		rwSets := p.CollectionRWSet(dig.TxId, dig.Collection, dig.Namespace)
 		logger.Debug("Found", len(rwSets), "for TxID", dig.TxId, ", collection", dig.Collection, "for", message.GetConnectionInfo().Endpoint)
 		if len(rwSets) == 0 {
 			continue
@@ -353,6 +354,7 @@ func (p *puller) computeFilters(req *proto.RemotePvtDataRequest) (digestToFilter
 			Channel:    p.channel,
 			TxId:       digest.TxId,
 			Collection: digest.Collection,
+			Namespace:  digest.Namespace,
 		})
 		if pol == nil {
 			return nil, errors.Errorf("Failed obtaining policy for channel %s, txID %s, collection %s", p.channel, digest.TxId, digest.Collection)
diff --git a/gossip/privdata/pull_test.go b/gossip/privdata/pull_test.go
index c0d4addecf4..2ad97dfac5a 100644
--- a/gossip/privdata/pull_test.go
+++ b/gossip/privdata/pull_test.go
@@ -96,8 +96,8 @@ type dataRetrieverMock struct {
 	mock.Mock
 }
 
-func (dr *dataRetrieverMock) CollectionRWSet(txID, collection string) []util.PrivateRWSet {
-	return dr.Called(txID, collection).Get(0).([]util.PrivateRWSet)
+func (dr *dataRetrieverMock) CollectionRWSet(txID, collection, namespace string) []util.PrivateRWSet {
+	return dr.Called(txID, collection, namespace).Get(0).([]util.PrivateRWSet)
 }
 
 type receivedMsg struct {
@@ -225,15 +225,15 @@ func TestPullerFromOnly1Peer(t *testing.T) {
 	p2TransientStore := newPRWSet()
 	policyStore = newPolicyStore().withPolicy("col1").thatMapsTo("p1")
 	p2 := gn.newPuller("p2", policyStore)
-	p2.PrivateDataRetriever.(*dataRetrieverMock).On("CollectionRWSet", "txID1", "col1").Return(p2TransientStore)
+	p2.PrivateDataRetriever.(*dataRetrieverMock).On("CollectionRWSet", "txID1", "col1", "ns1").Return(p2TransientStore)
 
 	p3 := gn.newPuller("p3", newPolicyStore())
-	p3.PrivateDataRetriever.(*dataRetrieverMock).On("CollectionRWSet", "txID1", "col1").Run(func(_ mock.Arguments) {
+	p3.PrivateDataRetriever.(*dataRetrieverMock).On("CollectionRWSet", "txID1", "col1", "ns1").Run(func(_ mock.Arguments) {
 		t.Fatal("p3 shouldn't have been selected for pull")
 	})
 
 	fetchedMessages, err := p1.fetch(&proto.RemotePvtDataRequest{
-		Digests: []*proto.PvtDataDigest{{Collection: "col1", TxId: "txID1"}},
+		Digests: []*proto.PvtDataDigest{{Collection: "col1", TxId: "txID1", Namespace: "ns1"}},
 	})
 	rws1 := util.PrivateRWSet(fetchedMessages[0].Payload[0])
 	rws2 := util.PrivateRWSet(fetchedMessages[0].Payload[1])
@@ -252,15 +252,15 @@ func TestPullerDataNotAvailable(t *testing.T) {
 
 	policyStore = newPolicyStore().withPolicy("col1").thatMapsTo("p1")
 	p2 := gn.newPuller("p2", policyStore)
-	p2.PrivateDataRetriever.(*dataRetrieverMock).On("CollectionRWSet", "txID1", "col1").Return([]util.PrivateRWSet{})
+	p2.PrivateDataRetriever.(*dataRetrieverMock).On("CollectionRWSet", "txID1", "col1", "ns1").Return([]util.PrivateRWSet{})
 
 	p3 := gn.newPuller("p3", newPolicyStore())
-	p3.PrivateDataRetriever.(*dataRetrieverMock).On("CollectionRWSet", "txID1", "col1").Run(func(_ mock.Arguments) {
+	p3.PrivateDataRetriever.(*dataRetrieverMock).On("CollectionRWSet", "txID1", "col1", "ns1").Run(func(_ mock.Arguments) {
 		t.Fatal("p3 shouldn't have been selected for pull")
 	})
 
 	fetchedMessages, err := p1.fetch(&proto.RemotePvtDataRequest{
-		Digests: []*proto.PvtDataDigest{{Collection: "col1", TxId: "txID1"}},
+		Digests: []*proto.PvtDataDigest{{Collection: "col1", TxId: "txID1", Namespace: "ns1"}},
 	})
 	assert.Empty(t, fetchedMessages)
 	assert.NoError(t, err)
@@ -273,7 +273,7 @@ func TestPullerNoPeersKnown(t *testing.T) {
 	policyStore := newPolicyStore().withPolicy("col1").thatMapsTo("p2").withPolicy("col1").thatMapsTo("p3")
 	p1 := gn.newPuller("p1", policyStore)
 	fetchedMessages, err := p1.fetch(&proto.RemotePvtDataRequest{
-		Digests: []*proto.PvtDataDigest{{Collection: "col1", TxId: "txID1"}},
+		Digests: []*proto.PvtDataDigest{{Collection: "col1", TxId: "txID1", Namespace: "ns1"}},
 	})
 	assert.Empty(t, fetchedMessages)
 	assert.Error(t, err)
@@ -288,7 +288,7 @@ func TestPullPeerFilterError(t *testing.T) {
 	p1 := gn.newPuller("p1", policyStore)
 	gn.peers[0].On("PeerFilter", mock.Anything, mock.Anything).Return(nil, errors.New("Failed obtaining filter"))
 	fetchedMessages, err := p1.fetch(&proto.RemotePvtDataRequest{
-		Digests: []*proto.PvtDataDigest{{Collection: "col1", TxId: "txID1"}},
+		Digests: []*proto.PvtDataDigest{{Collection: "col1", TxId: "txID1", Namespace: "ns1"}},
 	})
 	assert.Error(t, err)
 	assert.Contains(t, err.Error(), "Failed obtaining filter")
@@ -305,13 +305,13 @@ func TestPullerPeerNotEligible(t *testing.T) {
 
 	policyStore = newPolicyStore().withPolicy("col1").thatMapsTo("p2")
 	p2 := gn.newPuller("p2", policyStore)
-	p2.PrivateDataRetriever.(*dataRetrieverMock).On("CollectionRWSet", "txID1", "col1").Run(func(_ mock.Arguments) {
+	p2.PrivateDataRetriever.(*dataRetrieverMock).On("CollectionRWSet", "txID1", "col1", "ns1").Run(func(_ mock.Arguments) {
 		t.Fatal("p2 shouldn't have approved the pull")
 	})
 
 	policyStore = newPolicyStore().withPolicy("col1").thatMapsTo("p3")
 	p3 := gn.newPuller("p3", policyStore)
-	p3.PrivateDataRetriever.(*dataRetrieverMock).On("CollectionRWSet", "txID1", "col1").Run(func(_ mock.Arguments) {
+	p3.PrivateDataRetriever.(*dataRetrieverMock).On("CollectionRWSet", "txID1", "col1", "ns1").Run(func(_ mock.Arguments) {
 		t.Fatal("p3 shouldn't have approved the pull")
 	})
 
@@ -334,15 +334,17 @@ func TestPullerDifferentPeersDifferentCollections(t *testing.T) {
 	p2TransientStore := newPRWSet()
 	policyStore = newPolicyStore().withPolicy("col2").thatMapsTo("p1")
 	p2 := gn.newPuller("p2", policyStore)
-	p2.PrivateDataRetriever.(*dataRetrieverMock).On("CollectionRWSet", "txID1", "col2").Return(p2TransientStore)
+	p2.PrivateDataRetriever.(*dataRetrieverMock).On("CollectionRWSet", "txID1", "col2", "ns1").Return(p2TransientStore)
 
 	p3TransientStore := newPRWSet()
 	policyStore = newPolicyStore().withPolicy("col3").thatMapsTo("p1")
 	p3 := gn.newPuller("p3", policyStore)
-	p3.PrivateDataRetriever.(*dataRetrieverMock).On("CollectionRWSet", "txID1", "col3").Return(p3TransientStore)
+	p3.PrivateDataRetriever.(*dataRetrieverMock).On("CollectionRWSet", "txID1", "col3", "ns1").Return(p3TransientStore)
 
 	fetchedMessages, err := p1.fetch(&proto.RemotePvtDataRequest{
-		Digests: []*proto.PvtDataDigest{{Collection: "col2", TxId: "txID1"}, {Collection: "col3", TxId: "txID1"}},
+		Digests: []*proto.PvtDataDigest{
+			{Collection: "col2", TxId: "txID1", Namespace: "ns1"},
+			{Collection: "col3", TxId: "txID1", Namespace: "ns1"}},
 	})
 	assert.NoError(t, err)
 	rws1 := util.PrivateRWSet(fetchedMessages[0].Payload[0])
@@ -373,26 +375,26 @@ func TestPullerRetries(t *testing.T) {
 	// p2
 	policyStore = newPolicyStore().withPolicy("col1").thatMapsTo("p2")
 	p2 := gn.newPuller("p2", policyStore)
-	p2.PrivateDataRetriever.(*dataRetrieverMock).On("CollectionRWSet", "txID1", "col1").Return(transientStore)
+	p2.PrivateDataRetriever.(*dataRetrieverMock).On("CollectionRWSet", "txID1", "col1", "ns1").Return(transientStore)
 
 	// p3
 	policyStore = newPolicyStore().withPolicy("col1").thatMapsTo("p1")
 	p3 := gn.newPuller("p3", policyStore)
-	p3.PrivateDataRetriever.(*dataRetrieverMock).On("CollectionRWSet", "txID1", "col1").Return(transientStore)
+	p3.PrivateDataRetriever.(*dataRetrieverMock).On("CollectionRWSet", "txID1", "col1", "ns1").Return(transientStore)
 
 	// p4
 	policyStore = newPolicyStore().withPolicy("col1").thatMapsTo("p4")
 	p4 := gn.newPuller("p4", policyStore)
-	p4.PrivateDataRetriever.(*dataRetrieverMock).On("CollectionRWSet", "txID1", "col1").Return(transientStore)
+	p4.PrivateDataRetriever.(*dataRetrieverMock).On("CollectionRWSet", "txID1", "col1", "ns1").Return(transientStore)
 
 	// p5
 	policyStore = newPolicyStore().withPolicy("col1").thatMapsTo("p5")
 	p5 := gn.newPuller("p5", policyStore)
-	p5.PrivateDataRetriever.(*dataRetrieverMock).On("CollectionRWSet", "txID1", "col1").Return(transientStore)
+	p5.PrivateDataRetriever.(*dataRetrieverMock).On("CollectionRWSet", "txID1", "col1", "ns1").Return(transientStore)
 
 	// Fetch from someone
 	fetchedMessages, err := p1.fetch(&proto.RemotePvtDataRequest{
-		Digests: []*proto.PvtDataDigest{{Collection: "col1", TxId: "txID1"}},
+		Digests: []*proto.PvtDataDigest{{Collection: "col1", TxId: "txID1", Namespace: "ns1"}},
 	})
 	assert.NoError(t, err)
 	rws1 := util.PrivateRWSet(fetchedMessages[0].Payload[0])
diff --git a/protos/gossip/message.pb.go b/protos/gossip/message.pb.go
index de40af94dce..254ddc89227 100644
--- a/protos/gossip/message.pb.go
+++ b/protos/gossip/message.pb.go
@@ -1602,9 +1602,10 @@ func (m *RemotePvtDataRequest) GetDigests() []*PvtDataDigest {
 // PvtDataDigest defines a digest of private data
 type PvtDataDigest struct {
 	TxId       string `protobuf:"bytes,1,opt,name=tx_id,json=txId" json:"tx_id,omitempty"`
-	Collection string `protobuf:"bytes,2,opt,name=collection" json:"collection,omitempty"`
-	BlockSeq   uint64 `protobuf:"varint,3,opt,name=block_seq,json=blockSeq" json:"block_seq,omitempty"`
-	SeqInBlock uint64 `protobuf:"varint,4,opt,name=seq_in_block,json=seqInBlock" json:"seq_in_block,omitempty"`
+	Namespace  string `protobuf:"bytes,2,opt,name=namespace" json:"namespace,omitempty"`
+	Collection string `protobuf:"bytes,3,opt,name=collection" json:"collection,omitempty"`
+	BlockSeq   uint64 `protobuf:"varint,4,opt,name=block_seq,json=blockSeq" json:"block_seq,omitempty"`
+	SeqInBlock uint64 `protobuf:"varint,5,opt,name=seq_in_block,json=seqInBlock" json:"seq_in_block,omitempty"`
 }
 
 func (m *PvtDataDigest) Reset()                    { *m = PvtDataDigest{} }
@@ -1619,6 +1620,13 @@ func (m *PvtDataDigest) GetTxId() string {
 	return ""
 }
 
+func (m *PvtDataDigest) GetNamespace() string {
+	if m != nil {
+		return m.Namespace
+	}
+	return ""
+}
+
 func (m *PvtDataDigest) GetCollection() string {
 	if m != nil {
 		return m.Collection
@@ -1908,108 +1916,110 @@ var _Gossip_serviceDesc = grpc.ServiceDesc{
 func init() { proto.RegisterFile("gossip/message.proto", fileDescriptor0) }
 
 var fileDescriptor0 = []byte{
-	// 1644 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0xb4, 0x18, 0xdb, 0x6e, 0xe3, 0xc6,
-	0x55, 0xb2, 0x75, 0xe3, 0xd1, 0xc5, 0xf2, 0xd8, 0xbb, 0xcb, 0x3a, 0x69, 0xea, 0x12, 0xdd, 0x64,
-	0x5b, 0x27, 0x76, 0xe0, 0xb4, 0x68, 0x80, 0xb4, 0x0d, 0x6c, 0x4b, 0xb5, 0x84, 0xac, 0xb4, 0x2e,
-	0xed, 0x45, 0xeb, 0xa2, 0x00, 0x31, 0x26, 0xc7, 0x14, 0x6b, 0x72, 0x48, 0x73, 0x46, 0xae, 0xfd,
-	0x58, 0xf4, 0xad, 0x2f, 0xfd, 0xab, 0x7e, 0x57, 0x31, 0x33, 0xbc, 0x9a, 0x52, 0x80, 0x5d, 0xa0,
-	0x6f, 0x3a, 0xf7, 0x39, 0xf7, 0x43, 0xc1, 0xae, 0x1b, 0x32, 0xe6, 0x45, 0x47, 0x01, 0x61, 0x0c,
-	0xbb, 0xe4, 0x30, 0x8a, 0x43, 0x1e, 0xa2, 0x96, 0xc2, 0x1a, 0xff, 0xaa, 0x43, 0x67, 0x4c, 0x1f,
-	0x88, 0x1f, 0x46, 0x04, 0xe9, 0xd0, 0x8e, 0xf0, 0x93, 0x1f, 0x62, 0x47, 0xaf, 0xef, 0xd7, 0xdf,
-	0xf4, 0xcc, 0x14, 0x44, 0x9f, 0x82, 0xc6, 0x3c, 0x97, 0x62, 0xbe, 0x8c, 0x89, 0xbe, 0x21, 0x69,
-	0x39, 0x02, 0x7d, 0x0f, 0x5b, 0x8c, 0xd8, 0x31, 0xe1, 0x16, 0x49, 0x54, 0xe9, 0x9b, 0xfb, 0xf5,
-	0x37, 0xdd, 0xe3, 0x97, 0x87, 0xca, 0xcc, 0xe1, 0xa5, 0x24, 0xa7, 0x86, 0xcc, 0x01, 0x2b, 0xc1,
-	0xc6, 0x04, 0x06, 0x65, 0x8e, 0x8f, 0x7d, 0x8a, 0x71, 0x02, 0x2d, 0xa5, 0x09, 0x7d, 0x09, 0x43,
-	0x8f, 0x72, 0x12, 0x53, 0xec, 0x8f, 0xa9, 0x13, 0x85, 0x1e, 0xe5, 0x52, 0x95, 0x36, 0xa9, 0x99,
-	0x15, 0xca, 0xa9, 0x06, 0x6d, 0x3b, 0xa4, 0x9c, 0x50, 0x6e, 0xfc, 0x17, 0xa0, 0x7f, 0x2e, 0x9f,
-	0x3d, 0x53, 0x21, 0x43, 0xbb, 0xd0, 0xa4, 0x21, 0xb5, 0x89, 0x94, 0x6f, 0x98, 0x0a, 0x10, 0x4f,
-	0xb4, 0x17, 0x98, 0x52, 0xe2, 0x27, 0xcf, 0x48, 0x41, 0x74, 0x00, 0x9b, 0x1c, 0xbb, 0x32, 0x06,
-	0x83, 0xe3, 0x9f, 0xa4, 0x31, 0x28, 0xe9, 0x3c, 0xbc, 0xc2, 0xae, 0x29, 0xb8, 0xd0, 0x37, 0xa0,
-	0x61, 0xdf, 0x7b, 0x20, 0x56, 0xc0, 0x5c, 0xbd, 0x29, 0xc3, 0xb6, 0x9b, 0x8a, 0x9c, 0x08, 0x42,
-	0x22, 0x31, 0xa9, 0x99, 0x1d, 0xc9, 0x38, 0x63, 0x2e, 0xfa, 0x35, 0xb4, 0x03, 0x12, 0x58, 0x31,
-	0xb9, 0xd7, 0x5b, 0x52, 0x24, 0xb3, 0x32, 0x23, 0xc1, 0x0d, 0x89, 0xd9, 0xc2, 0x8b, 0x4c, 0x72,
-	0xbf, 0x24, 0x8c, 0x4f, 0x6a, 0x66, 0x2b, 0x20, 0x81, 0x49, 0xee, 0xd1, 0x6f, 0x52, 0x29, 0xa6,
-	0xb7, 0xa5, 0xd4, 0xde, 0x2a, 0x29, 0x16, 0x85, 0x94, 0x91, 0x4c, 0x8c, 0xa1, 0xaf, 0xa1, 0xe3,
-	0x60, 0x8e, 0xe5, 0x03, 0x3b, 0x52, 0x6e, 0x27, 0x95, 0x1b, 0x61, 0x8e, 0xf3, 0xf7, 0xb5, 0x05,
-	0x9b, 0x78, 0xde, 0x01, 0x34, 0x17, 0xc4, 0xf7, 0x43, 0x5d, 0x2b, 0xb3, 0xab, 0x10, 0x4c, 0x04,
-	0x69, 0x52, 0x33, 0x15, 0x0f, 0x3a, 0x4a, 0xd4, 0x3b, 0x9e, 0xab, 0x83, 0xe4, 0x47, 0x45, 0xf5,
-	0x23, 0xcf, 0x55, 0x5e, 0x48, 0xed, 0x23, 0xcf, 0xcd, 0xde, 0x23, 0xbc, 0xef, 0x56, 0xdf, 0x93,
-	0xfb, 0x2d, 0x25, 0x94, 0xe3, 0x5d, 0x29, 0xb1, 0x8c, 0x1c, 0xcc, 0x89, 0xde, 0xab, 0x5a, 0x79,
-	0x2f, 0x29, 0x93, 0x9a, 0x09, 0x4e, 0x06, 0xa1, 0xd7, 0xd0, 0x24, 0x41, 0xc4, 0x9f, 0xf4, 0xbe,
-	0x14, 0xe8, 0xa7, 0x02, 0x63, 0x81, 0x14, 0x0e, 0x48, 0x2a, 0x3a, 0x80, 0x86, 0x1d, 0x52, 0xaa,
-	0x0f, 0x24, 0xd7, 0x8b, 0x94, 0xeb, 0x2c, 0xa4, 0x74, 0xcc, 0x38, 0xbe, 0xf1, 0x3d, 0xb6, 0x98,
-	0xd4, 0x4c, 0xc9, 0x84, 0x8e, 0x01, 0x18, 0xc7, 0x9c, 0x58, 0x1e, 0xbd, 0x0d, 0xf5, 0x2d, 0x29,
-	0xb2, 0x9d, 0xb5, 0x89, 0xa0, 0x4c, 0xe9, 0xad, 0x88, 0x8e, 0xc6, 0x52, 0x00, 0x9d, 0xc2, 0x40,
-	0xc9, 0x30, 0x8a, 0x23, 0xb6, 0x08, 0xb9, 0x3e, 0x2c, 0x27, 0x3d, 0x93, 0xbb, 0x4c, 0x18, 0x26,
-	0x35, 0xb3, 0x2f, 0x45, 0x52, 0x04, 0x9a, 0xc1, 0x4e, 0x6e, 0xd7, 0x8a, 0x96, 0xbe, 0x2f, 0xe3,
-	0xb7, 0x2d, 0x15, 0x7d, 0x5a, 0x51, 0x74, 0xb1, 0xf4, 0xfd, 0x3c, 0x90, 0x43, 0xf6, 0x0c, 0x8f,
-	0x4e, 0x40, 0xe9, 0x17, 0x4a, 0x04, 0x93, 0x8e, 0xca, 0x05, 0x65, 0x92, 0x20, 0xe4, 0x44, 0xaa,
-	0xcb, 0xd5, 0xf4, 0x58, 0x01, 0x46, 0xa3, 0xd4, 0xab, 0x38, 0x29, 0x39, 0x7d, 0x47, 0xea, 0xf8,
-	0x64, 0xa5, 0x8e, 0xac, 0x2a, 0xfb, 0xac, 0x88, 0x10, 0xb1, 0xf1, 0x09, 0x76, 0x54, 0xf1, 0xca,
-	0x12, 0xdd, 0x2d, 0xc7, 0xe6, 0x6d, 0x46, 0xcd, 0x0b, 0xb5, 0x9f, 0x8b, 0x88, 0x72, 0xfd, 0x0e,
-	0xfa, 0x11, 0x21, 0xb1, 0xe5, 0x39, 0x84, 0x72, 0x8f, 0x3f, 0xe9, 0x2f, 0xca, 0x6d, 0x78, 0x41,
-	0x48, 0x3c, 0x4d, 0x68, 0xc2, 0x8d, 0xa8, 0x00, 0x8b, 0x66, 0xc7, 0xf6, 0x9d, 0xfe, 0x52, 0x8a,
-	0xbc, 0xca, 0x3a, 0xd7, 0xbe, 0xa3, 0xe1, 0x3f, 0x7c, 0xe2, 0xb8, 0x24, 0x20, 0x54, 0x38, 0x2f,
-	0xb8, 0xd0, 0x1f, 0x00, 0xa2, 0xd8, 0x7b, 0x50, 0x51, 0xd0, 0x5f, 0x95, 0x83, 0xaf, 0xfc, 0xbd,
-	0x78, 0xe0, 0xe5, 0x2a, 0x2e, 0x48, 0xa0, 0xef, 0x0b, 0xf2, 0x4c, 0xd7, 0xa5, 0xfc, 0x4f, 0xd7,
-	0xc8, 0x67, 0x11, 0x2b, 0x88, 0x18, 0x16, 0x6c, 0x5e, 0x61, 0x17, 0xf5, 0x41, 0x7b, 0x3f, 0x1f,
-	0x8d, 0xff, 0x38, 0x9d, 0x8f, 0x47, 0xc3, 0x1a, 0xd2, 0xa0, 0x39, 0x9e, 0x5d, 0x5c, 0x5d, 0x0f,
-	0xeb, 0xa8, 0x07, 0x9d, 0x77, 0xe6, 0xb9, 0xf5, 0x6e, 0xfe, 0xf6, 0x7a, 0xb8, 0x21, 0xf8, 0xce,
-	0x26, 0x27, 0x73, 0x05, 0x6e, 0xa2, 0x21, 0xf4, 0x24, 0x78, 0x32, 0x1f, 0x59, 0xef, 0xcc, 0xf3,
-	0x61, 0x03, 0x6d, 0x41, 0x57, 0x31, 0x98, 0x12, 0xd1, 0x2c, 0x0e, 0xd2, 0xff, 0xd4, 0x41, 0xcb,
-	0x0a, 0x0a, 0xed, 0x41, 0x27, 0x20, 0x1c, 0x8b, 0xf6, 0x4a, 0x46, 0x7a, 0x06, 0xa3, 0x43, 0xd0,
-	0xb8, 0x17, 0x10, 0xc6, 0x71, 0x10, 0xc9, 0x61, 0xda, 0x3d, 0x1e, 0x16, 0x83, 0x7f, 0xe5, 0x05,
-	0xc4, 0xcc, 0x59, 0xd0, 0x0b, 0x68, 0x45, 0x77, 0x9e, 0xe5, 0x39, 0x72, 0xc6, 0xf6, 0xcc, 0x66,
-	0x74, 0xe7, 0x4d, 0x1d, 0xf4, 0x33, 0xe8, 0x26, 0x23, 0xd8, 0x9a, 0x9d, 0x9c, 0xe9, 0x0d, 0x49,
-	0x83, 0x04, 0x35, 0x3b, 0x39, 0x33, 0x4e, 0x60, 0xbb, 0xd2, 0x2a, 0xe8, 0x4b, 0xe8, 0x10, 0x5f,
-	0x66, 0x89, 0xe9, 0xf5, 0xfd, 0xcd, 0xa2, 0xed, 0x6c, 0x61, 0x65, 0x1c, 0xc6, 0x6f, 0x61, 0x77,
-	0x55, 0x93, 0x3c, 0xb7, 0x5d, 0xaf, 0xd8, 0xbe, 0x85, 0x7e, 0x69, 0x22, 0x14, 0x9c, 0xa8, 0x17,
-	0x9d, 0xd8, 0x83, 0x4e, 0x56, 0x87, 0x6a, 0xaf, 0x64, 0x30, 0x32, 0xa0, 0xcf, 0x7d, 0x66, 0xd9,
-	0x24, 0xe6, 0xd6, 0x02, 0xb3, 0x45, 0xe2, 0x7e, 0x97, 0xfb, 0xec, 0x8c, 0xc4, 0x7c, 0x82, 0xd9,
-	0xc2, 0x78, 0x0f, 0xbd, 0x62, 0xbd, 0xae, 0x33, 0x83, 0xa0, 0x21, 0xd4, 0x24, 0x26, 0xe4, 0xef,
-	0x52, 0x8a, 0x36, 0xcb, 0x29, 0x32, 0x02, 0xe8, 0x16, 0xca, 0x72, 0xfd, 0x4a, 0x74, 0xe4, 0xb8,
-	0x66, 0xfa, 0xc6, 0xfe, 0xe6, 0x1b, 0xcd, 0x4c, 0x41, 0x74, 0x08, 0x9d, 0x80, 0xb9, 0x16, 0x7f,
-	0x4a, 0x6e, 0x83, 0x41, 0x3e, 0xb3, 0x45, 0x14, 0x67, 0xcc, 0xbd, 0x7a, 0x8a, 0x88, 0xd9, 0x0e,
-	0xd4, 0x0f, 0x23, 0x84, 0x6e, 0x61, 0x59, 0xac, 0x31, 0x57, 0x7c, 0xef, 0x46, 0xa5, 0xa4, 0x3e,
-	0xcc, 0xe0, 0x23, 0x40, 0xbe, 0x07, 0xd6, 0xd8, 0xfb, 0x05, 0x34, 0x12, 0x5b, 0xab, 0xab, 0xa4,
-	0xf1, 0x51, 0x96, 0x7d, 0x65, 0x59, 0xed, 0xb9, 0xff, 0x7b, 0x60, 0xbf, 0x55, 0x79, 0x4c, 0x4f,
-	0x9b, 0x5f, 0x96, 0xef, 0xac, 0xee, 0xf1, 0x56, 0x26, 0xad, 0xd0, 0xd9, 0xe1, 0x65, 0x5c, 0x43,
-	0x3b, 0xc1, 0xa1, 0x57, 0xd0, 0x66, 0xe4, 0xde, 0xa2, 0xcb, 0x20, 0x79, 0x66, 0x8b, 0x91, 0xfb,
-	0xf9, 0x32, 0x10, 0x55, 0x55, 0xc8, 0x86, 0x8a, 0xc7, 0xcf, 0xa1, 0x97, 0x0c, 0x20, 0x2b, 0xa9,
-	0xac, 0x4d, 0x51, 0xb3, 0x09, 0x4e, 0x3c, 0xc6, 0xf8, 0x1b, 0x0c, 0x2e, 0x14, 0x98, 0x5a, 0xf8,
-	0x02, 0xb6, 0xec, 0xd0, 0xf7, 0x89, 0xcd, 0xbd, 0x90, 0x5a, 0x14, 0x07, 0x2a, 0x20, 0x9a, 0x39,
-	0xc8, 0xd1, 0x73, 0x1c, 0x90, 0x8a, 0xf6, 0x8d, 0xaa, 0xf6, 0x7f, 0xd7, 0xa1, 0x57, 0xbc, 0xa4,
-	0xd0, 0x21, 0x40, 0x90, 0x1d, 0x3c, 0x89, 0xdf, 0x83, 0xf2, 0x29, 0x64, 0x16, 0x38, 0x3e, 0x78,
-	0x3c, 0x15, 0x5b, 0xb8, 0x51, 0x6e, 0x61, 0xe3, 0x9f, 0x75, 0xd8, 0xae, 0xac, 0xa4, 0x75, 0x4d,
-	0xfa, 0xa1, 0x86, 0x5f, 0xc3, 0xc0, 0x63, 0x96, 0x43, 0x6c, 0x1f, 0xc7, 0x58, 0x84, 0x48, 0x96,
-	0x44, 0xc7, 0xec, 0x7b, 0x6c, 0x94, 0x23, 0x8d, 0xdf, 0x41, 0x27, 0x95, 0x16, 0xa9, 0xf4, 0xa8,
-	0x5d, 0x4c, 0xa5, 0x47, 0x6d, 0x91, 0xca, 0x42, 0x8e, 0x37, 0x8a, 0x39, 0x36, 0x6e, 0x61, 0xbb,
-	0x72, 0x64, 0xa2, 0xef, 0x60, 0xc8, 0x88, 0x7f, 0x2b, 0xaf, 0x8b, 0x38, 0x50, 0xb6, 0xeb, 0xe5,
-	0x07, 0x67, 0x6d, 0xb2, 0x25, 0x38, 0xa7, 0x39, 0xa3, 0xa8, 0x79, 0xb1, 0x2d, 0x69, 0x92, 0x3c,
-	0x05, 0x18, 0x37, 0x80, 0xaa, 0x67, 0x29, 0xfa, 0x1c, 0x9a, 0xf2, 0x0a, 0x5e, 0x3b, 0xaa, 0x15,
-	0x59, 0xf6, 0x2a, 0xc1, 0xce, 0x8f, 0xf4, 0x2a, 0xc1, 0x8e, 0xf1, 0x67, 0x68, 0x29, 0x1b, 0x22,
-	0x67, 0xa4, 0xf4, 0x99, 0x60, 0x66, 0xf0, 0x8f, 0xce, 0x99, 0xd5, 0xab, 0xc8, 0x68, 0x43, 0x53,
-	0x5e, 0x89, 0xc6, 0x5f, 0x00, 0x55, 0x6f, 0x21, 0x31, 0xc8, 0x19, 0xc7, 0x31, 0xb7, 0xca, 0x6d,
-	0xd4, 0x95, 0xc8, 0x4b, 0xd5, 0x4b, 0x9f, 0x41, 0x97, 0x50, 0xc7, 0x2a, 0x27, 0x41, 0x23, 0xd4,
-	0x51, 0x74, 0xe3, 0x14, 0x76, 0x56, 0x5c, 0x48, 0xe8, 0x00, 0x3a, 0x49, 0xc7, 0xa6, 0xeb, 0xac,
-	0xd2, 0xd2, 0x19, 0x83, 0x71, 0x0e, 0xbb, 0xab, 0xae, 0x0e, 0x74, 0x94, 0xcf, 0x1b, 0xa5, 0x23,
-	0xbb, 0x6a, 0x13, 0x46, 0x35, 0xad, 0xb2, 0x31, 0x24, 0xbe, 0x23, 0xfb, 0x25, 0x12, 0xda, 0x81,
-	0x26, 0x7f, 0x4c, 0x2b, 0x5a, 0x33, 0x1b, 0xfc, 0x71, 0xea, 0xa0, 0xcf, 0x00, 0xf2, 0xfe, 0x95,
-	0x2e, 0x69, 0x66, 0x01, 0x83, 0x3e, 0x01, 0xed, 0xc6, 0x0f, 0xed, 0x3b, 0xe1, 0xb5, 0x0c, 0x68,
-	0xc3, 0xec, 0x48, 0xc4, 0x25, 0xb9, 0x47, 0xfb, 0xd0, 0x13, 0xc1, 0xf0, 0xa8, 0x25, 0x51, 0xb2,
-	0xb5, 0x1a, 0x26, 0x30, 0x72, 0x3f, 0xa5, 0xa7, 0x02, 0x63, 0xfc, 0x00, 0x2f, 0x56, 0x1e, 0x41,
-	0xe8, 0xb8, 0xb2, 0xe3, 0x5f, 0x3e, 0x73, 0x68, 0xac, 0xc8, 0x85, 0x4d, 0x7f, 0x0d, 0x83, 0x32,
-	0x0d, 0x7d, 0x05, 0x2d, 0xe5, 0x6f, 0x52, 0xda, 0x6b, 0x82, 0x92, 0x30, 0x15, 0xbf, 0x61, 0x55,
-	0x61, 0x67, 0xa3, 0xf4, 0x4f, 0x99, 0xea, 0x74, 0xde, 0xbd, 0x86, 0x2d, 0xfe, 0x68, 0x95, 0xdc,
-	0x53, 0x25, 0xd1, 0xe3, 0x8f, 0x97, 0x99, 0x83, 0x65, 0x95, 0xc5, 0xcf, 0x62, 0xe3, 0x0b, 0xd8,
-	0x7a, 0x76, 0x73, 0x8a, 0xb6, 0x22, 0x71, 0x1c, 0xc6, 0x49, 0x06, 0x14, 0xf0, 0xab, 0xdf, 0x43,
-	0xb7, 0xb0, 0x18, 0x9e, 0x5f, 0x82, 0x7d, 0xd0, 0x4e, 0xdf, 0xbe, 0x3b, 0xfb, 0xc1, 0x9a, 0x5d,
-	0x9e, 0x0f, 0xeb, 0xe2, 0xe0, 0x9b, 0x8e, 0xc6, 0xf3, 0xab, 0xe9, 0xd5, 0xb5, 0xc4, 0x6c, 0x1c,
-	0xff, 0x1d, 0x5a, 0x6a, 0x31, 0xa3, 0x6f, 0xa1, 0xa7, 0x7e, 0x5d, 0xf2, 0x98, 0xe0, 0x00, 0x55,
-	0x7a, 0x6c, 0xaf, 0x82, 0x31, 0x6a, 0x6f, 0xea, 0x5f, 0xd7, 0xd1, 0xe7, 0xd0, 0xb8, 0xf0, 0xa8,
-	0x8b, 0xca, 0x1f, 0x54, 0x7b, 0x65, 0xd0, 0xa8, 0x9d, 0x7e, 0xf5, 0xd7, 0x03, 0xd7, 0xe3, 0x8b,
-	0xe5, 0xcd, 0xa1, 0x1d, 0x06, 0x47, 0x8b, 0xa7, 0x88, 0xc4, 0xd2, 0xbb, 0xf8, 0xe8, 0x16, 0xdf,
-	0xc4, 0x9e, 0x7d, 0x24, 0xff, 0xcb, 0x60, 0x47, 0x4a, 0xec, 0xa6, 0x25, 0xc1, 0x6f, 0xfe, 0x17,
-	0x00, 0x00, 0xff, 0xff, 0x90, 0x9e, 0xb9, 0xc7, 0xf2, 0x10, 0x00, 0x00,
+	// 1666 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0xb4, 0x58, 0xdd, 0x4f, 0xe4, 0xc8,
+	0x11, 0x1f, 0xc3, 0x7c, 0xb9, 0xe6, 0x83, 0xa1, 0x61, 0x77, 0x1d, 0xee, 0x72, 0x21, 0x56, 0xf6,
+	0x6e, 0x13, 0xee, 0xe0, 0xc4, 0x25, 0xca, 0x49, 0x97, 0xe4, 0x04, 0xcc, 0x84, 0x19, 0xdd, 0x0e,
+	0x4b, 0x0c, 0xab, 0x84, 0x28, 0x92, 0xd5, 0xd8, 0x8d, 0xc7, 0xc1, 0x6e, 0x1b, 0x77, 0x43, 0xe0,
+	0x31, 0xca, 0x5b, 0x5e, 0xf2, 0x37, 0xe4, 0x9f, 0xc9, 0xdf, 0x15, 0x75, 0xb7, 0x3f, 0xf1, 0xcc,
+	0x49, 0x7b, 0xd2, 0xbd, 0x4d, 0x7d, 0xfc, 0xaa, 0xba, 0xaa, 0xab, 0xaa, 0xcb, 0x03, 0xdb, 0x5e,
+	0xc4, 0x98, 0x1f, 0x1f, 0x84, 0x84, 0x31, 0xec, 0x91, 0xfd, 0x38, 0x89, 0x78, 0x84, 0xda, 0x8a,
+	0x6b, 0xfe, 0x4b, 0x83, 0xee, 0x84, 0x3e, 0x90, 0x20, 0x8a, 0x09, 0x32, 0xa0, 0x13, 0xe3, 0xa7,
+	0x20, 0xc2, 0xae, 0xa1, 0xed, 0x6a, 0x6f, 0xfa, 0x56, 0x46, 0xa2, 0x8f, 0x41, 0x67, 0xbe, 0x47,
+	0x31, 0xbf, 0x4f, 0x88, 0xb1, 0x26, 0x65, 0x05, 0x03, 0x7d, 0x0b, 0x1b, 0x8c, 0x38, 0x09, 0xe1,
+	0x36, 0x49, 0x4d, 0x19, 0xeb, 0xbb, 0xda, 0x9b, 0xde, 0xe1, 0xcb, 0x7d, 0xe5, 0x66, 0xff, 0x42,
+	0x8a, 0x33, 0x47, 0xd6, 0x90, 0x55, 0x68, 0x73, 0x0a, 0xc3, 0xaa, 0xc6, 0x0f, 0x3d, 0x8a, 0x79,
+	0x04, 0x6d, 0x65, 0x09, 0x7d, 0x0e, 0x23, 0x9f, 0x72, 0x92, 0x50, 0x1c, 0x4c, 0xa8, 0x1b, 0x47,
+	0x3e, 0xe5, 0xd2, 0x94, 0x3e, 0x6d, 0x58, 0x35, 0xc9, 0xb1, 0x0e, 0x1d, 0x27, 0xa2, 0x9c, 0x50,
+	0x6e, 0xfe, 0x0f, 0x60, 0x70, 0x2a, 0x8f, 0x3d, 0x57, 0x29, 0x43, 0xdb, 0xd0, 0xa2, 0x11, 0x75,
+	0x88, 0xc4, 0x37, 0x2d, 0x45, 0x88, 0x23, 0x3a, 0x0b, 0x4c, 0x29, 0x09, 0xd2, 0x63, 0x64, 0x24,
+	0xda, 0x83, 0x75, 0x8e, 0x3d, 0x99, 0x83, 0xe1, 0xe1, 0x4f, 0xb2, 0x1c, 0x54, 0x6c, 0xee, 0x5f,
+	0x62, 0xcf, 0x12, 0x5a, 0xe8, 0x2b, 0xd0, 0x71, 0xe0, 0x3f, 0x10, 0x3b, 0x64, 0x9e, 0xd1, 0x92,
+	0x69, 0xdb, 0xce, 0x20, 0x47, 0x42, 0x90, 0x22, 0xa6, 0x0d, 0xab, 0x2b, 0x15, 0xe7, 0xcc, 0x43,
+	0xbf, 0x86, 0x4e, 0x48, 0x42, 0x3b, 0x21, 0x77, 0x46, 0x5b, 0x42, 0x72, 0x2f, 0x73, 0x12, 0x5e,
+	0x93, 0x84, 0x2d, 0xfc, 0xd8, 0x22, 0x77, 0xf7, 0x84, 0xf1, 0x69, 0xc3, 0x6a, 0x87, 0x24, 0xb4,
+	0xc8, 0x1d, 0xfa, 0x4d, 0x86, 0x62, 0x46, 0x47, 0xa2, 0x76, 0x96, 0xa1, 0x58, 0x1c, 0x51, 0x46,
+	0x72, 0x18, 0x43, 0x5f, 0x42, 0xd7, 0xc5, 0x1c, 0xcb, 0x03, 0x76, 0x25, 0x6e, 0x2b, 0xc3, 0x8d,
+	0x31, 0xc7, 0xc5, 0xf9, 0x3a, 0x42, 0x4d, 0x1c, 0x6f, 0x0f, 0x5a, 0x0b, 0x12, 0x04, 0x91, 0xa1,
+	0x57, 0xd5, 0x55, 0x0a, 0xa6, 0x42, 0x34, 0x6d, 0x58, 0x4a, 0x07, 0x1d, 0xa4, 0xe6, 0x5d, 0xdf,
+	0x33, 0x40, 0xea, 0xa3, 0xb2, 0xf9, 0xb1, 0xef, 0xa9, 0x28, 0xa4, 0xf5, 0xb1, 0xef, 0xe5, 0xe7,
+	0x11, 0xd1, 0xf7, 0xea, 0xe7, 0x29, 0xe2, 0x96, 0x08, 0x15, 0x78, 0x4f, 0x22, 0xee, 0x63, 0x17,
+	0x73, 0x62, 0xf4, 0xeb, 0x5e, 0xde, 0x4b, 0xc9, 0xb4, 0x61, 0x81, 0x9b, 0x53, 0xe8, 0x35, 0xb4,
+	0x48, 0x18, 0xf3, 0x27, 0x63, 0x20, 0x01, 0x83, 0x0c, 0x30, 0x11, 0x4c, 0x11, 0x80, 0x94, 0xa2,
+	0x3d, 0x68, 0x3a, 0x11, 0xa5, 0xc6, 0x50, 0x6a, 0xbd, 0xc8, 0xb4, 0x4e, 0x22, 0x4a, 0x27, 0x8c,
+	0xe3, 0xeb, 0xc0, 0x67, 0x8b, 0x69, 0xc3, 0x92, 0x4a, 0xe8, 0x10, 0x80, 0x71, 0xcc, 0x89, 0xed,
+	0xd3, 0x9b, 0xc8, 0xd8, 0x90, 0x90, 0xcd, 0xbc, 0x4d, 0x84, 0x64, 0x46, 0x6f, 0x44, 0x76, 0x74,
+	0x96, 0x11, 0xe8, 0x18, 0x86, 0x0a, 0xc3, 0x28, 0x8e, 0xd9, 0x22, 0xe2, 0xc6, 0xa8, 0x7a, 0xe9,
+	0x39, 0xee, 0x22, 0x55, 0x98, 0x36, 0xac, 0x81, 0x84, 0x64, 0x0c, 0x34, 0x87, 0xad, 0xc2, 0xaf,
+	0x1d, 0xdf, 0x07, 0x81, 0xcc, 0xdf, 0xa6, 0x34, 0xf4, 0x71, 0xcd, 0xd0, 0xf9, 0x7d, 0x10, 0x14,
+	0x89, 0x1c, 0xb1, 0x67, 0x7c, 0x74, 0x04, 0xca, 0xbe, 0x30, 0x22, 0x94, 0x0c, 0x54, 0x2d, 0x28,
+	0x8b, 0x84, 0x11, 0x27, 0xd2, 0x5c, 0x61, 0xa6, 0xcf, 0x4a, 0x34, 0x1a, 0x67, 0x51, 0x25, 0x69,
+	0xc9, 0x19, 0x5b, 0xd2, 0xc6, 0x47, 0x4b, 0x6d, 0xe4, 0x55, 0x39, 0x60, 0x65, 0x86, 0xc8, 0x4d,
+	0x40, 0xb0, 0xab, 0x8a, 0x57, 0x96, 0xe8, 0x76, 0x35, 0x37, 0x6f, 0x73, 0x69, 0x51, 0xa8, 0x83,
+	0x02, 0x22, 0xca, 0xf5, 0x1b, 0x18, 0xc4, 0x84, 0x24, 0xb6, 0xef, 0x12, 0xca, 0x7d, 0xfe, 0x64,
+	0xbc, 0xa8, 0xb6, 0xe1, 0x39, 0x21, 0xc9, 0x2c, 0x95, 0x89, 0x30, 0xe2, 0x12, 0x2d, 0x9a, 0x1d,
+	0x3b, 0xb7, 0xc6, 0x4b, 0x09, 0x79, 0x95, 0x77, 0xae, 0x73, 0x4b, 0xa3, 0x7f, 0x04, 0xc4, 0xf5,
+	0x48, 0x48, 0xa8, 0x08, 0x5e, 0x68, 0xa1, 0x3f, 0x00, 0xc4, 0x89, 0xff, 0xa0, 0xb2, 0x60, 0xbc,
+	0xaa, 0x26, 0x5f, 0xc5, 0x7b, 0xfe, 0xc0, 0xab, 0x55, 0x5c, 0x42, 0xa0, 0x6f, 0x4b, 0x78, 0x66,
+	0x18, 0x12, 0xff, 0xd3, 0x15, 0xf8, 0x3c, 0x63, 0x25, 0x88, 0x69, 0xc3, 0xfa, 0x25, 0xf6, 0xd0,
+	0x00, 0xf4, 0xf7, 0x67, 0xe3, 0xc9, 0x1f, 0x67, 0x67, 0x93, 0xf1, 0xa8, 0x81, 0x74, 0x68, 0x4d,
+	0xe6, 0xe7, 0x97, 0x57, 0x23, 0x0d, 0xf5, 0xa1, 0xfb, 0xce, 0x3a, 0xb5, 0xdf, 0x9d, 0xbd, 0xbd,
+	0x1a, 0xad, 0x09, 0xbd, 0x93, 0xe9, 0xd1, 0x99, 0x22, 0xd7, 0xd1, 0x08, 0xfa, 0x92, 0x3c, 0x3a,
+	0x1b, 0xdb, 0xef, 0xac, 0xd3, 0x51, 0x13, 0x6d, 0x40, 0x4f, 0x29, 0x58, 0x92, 0xd1, 0x2a, 0x0f,
+	0xd2, 0xff, 0x68, 0xa0, 0xe7, 0x05, 0x85, 0x76, 0xa0, 0x1b, 0x12, 0x8e, 0x45, 0x7b, 0xa5, 0x23,
+	0x3d, 0xa7, 0xd1, 0x3e, 0xe8, 0xdc, 0x0f, 0x09, 0xe3, 0x38, 0x8c, 0xe5, 0x30, 0xed, 0x1d, 0x8e,
+	0xca, 0xc9, 0xbf, 0xf4, 0x43, 0x62, 0x15, 0x2a, 0xe8, 0x05, 0xb4, 0xe3, 0x5b, 0xdf, 0xf6, 0x5d,
+	0x39, 0x63, 0xfb, 0x56, 0x2b, 0xbe, 0xf5, 0x67, 0x2e, 0xfa, 0x19, 0xf4, 0xd2, 0x11, 0x6c, 0xcf,
+	0x8f, 0x4e, 0x8c, 0xa6, 0x94, 0x41, 0xca, 0x9a, 0x1f, 0x9d, 0x98, 0x47, 0xb0, 0x59, 0x6b, 0x15,
+	0xf4, 0x39, 0x74, 0x49, 0x20, 0x6f, 0x89, 0x19, 0xda, 0xee, 0x7a, 0xd9, 0x77, 0xfe, 0x60, 0xe5,
+	0x1a, 0xe6, 0x6f, 0x61, 0x7b, 0x59, 0x93, 0x3c, 0xf7, 0xad, 0xd5, 0x7c, 0xdf, 0xc0, 0xa0, 0x32,
+	0x11, 0x4a, 0x41, 0x68, 0xe5, 0x20, 0x76, 0xa0, 0x9b, 0xd7, 0xa1, 0x7a, 0x57, 0x72, 0x1a, 0x99,
+	0x30, 0xe0, 0x01, 0xb3, 0x1d, 0x92, 0x70, 0x7b, 0x81, 0xd9, 0x22, 0x0d, 0xbf, 0xc7, 0x03, 0x76,
+	0x42, 0x12, 0x3e, 0xc5, 0x6c, 0x61, 0xbe, 0x87, 0x7e, 0xb9, 0x5e, 0x57, 0xb9, 0x41, 0xd0, 0x14,
+	0x66, 0x52, 0x17, 0xf2, 0x77, 0xe5, 0x8a, 0xd6, 0xab, 0x57, 0x64, 0x86, 0xd0, 0x2b, 0x95, 0xe5,
+	0xea, 0x27, 0xd1, 0x95, 0xe3, 0x9a, 0x19, 0x6b, 0xbb, 0xeb, 0x6f, 0x74, 0x2b, 0x23, 0xd1, 0x3e,
+	0x74, 0x43, 0xe6, 0xd9, 0xfc, 0x29, 0xdd, 0x0d, 0x86, 0xc5, 0xcc, 0x16, 0x59, 0x9c, 0x33, 0xef,
+	0xf2, 0x29, 0x26, 0x56, 0x27, 0x54, 0x3f, 0xcc, 0x08, 0x7a, 0xa5, 0xc7, 0x62, 0x85, 0xbb, 0xf2,
+	0x79, 0xd7, 0x6a, 0x25, 0xf5, 0x61, 0x0e, 0x1f, 0x01, 0x8a, 0x77, 0x60, 0x85, 0xbf, 0x5f, 0x40,
+	0x33, 0xf5, 0xb5, 0xbc, 0x4a, 0x9a, 0x3f, 0xc8, 0x73, 0xa0, 0x3c, 0xab, 0x77, 0xee, 0x47, 0x4f,
+	0xec, 0xd7, 0xea, 0x1e, 0xb3, 0xd5, 0xe6, 0x97, 0xd5, 0x3d, 0xab, 0x77, 0xb8, 0x91, 0xa3, 0x15,
+	0x3b, 0x5f, 0xbc, 0xcc, 0x2b, 0xe8, 0xa4, 0x3c, 0xf4, 0x0a, 0x3a, 0x8c, 0xdc, 0xd9, 0xf4, 0x3e,
+	0x4c, 0x8f, 0xd9, 0x66, 0xe4, 0xee, 0xec, 0x3e, 0x14, 0x55, 0x55, 0xba, 0x0d, 0x95, 0x8f, 0x9f,
+	0x43, 0x3f, 0x1d, 0x40, 0x76, 0x5a, 0x59, 0xeb, 0xa2, 0x66, 0x53, 0x9e, 0x38, 0x8c, 0xf9, 0x37,
+	0x18, 0x9e, 0x2b, 0x32, 0xf3, 0xf0, 0x19, 0x6c, 0x38, 0x51, 0x10, 0x10, 0x87, 0xfb, 0x11, 0xb5,
+	0x29, 0x0e, 0x55, 0x42, 0x74, 0x6b, 0x58, 0xb0, 0xcf, 0x70, 0x48, 0x6a, 0xd6, 0xd7, 0xea, 0xd6,
+	0xff, 0xad, 0x41, 0xbf, 0xbc, 0x49, 0xa1, 0x7d, 0x80, 0x30, 0x5f, 0x78, 0xd2, 0xb8, 0x87, 0xd5,
+	0x55, 0xc8, 0x2a, 0x69, 0x7c, 0xf0, 0x78, 0x2a, 0xb7, 0x70, 0xb3, 0xda, 0xc2, 0xe6, 0x3f, 0x35,
+	0xd8, 0xac, 0x3d, 0x49, 0xab, 0x9a, 0xf4, 0x43, 0x1d, 0xbf, 0x86, 0xa1, 0xcf, 0x6c, 0x97, 0x38,
+	0x01, 0x4e, 0xb0, 0x48, 0x91, 0x2c, 0x89, 0xae, 0x35, 0xf0, 0xd9, 0xb8, 0x60, 0x9a, 0xbf, 0x83,
+	0x6e, 0x86, 0x16, 0x57, 0xe9, 0x53, 0xa7, 0x7c, 0x95, 0x3e, 0x75, 0xc4, 0x55, 0x96, 0xee, 0x78,
+	0xad, 0x7c, 0xc7, 0xe6, 0x0d, 0x6c, 0xd6, 0x96, 0x4c, 0xf4, 0x0d, 0x8c, 0x18, 0x09, 0x6e, 0xe4,
+	0x76, 0x91, 0x84, 0xca, 0xb7, 0x56, 0x3d, 0x70, 0xde, 0x26, 0x1b, 0x42, 0x73, 0x56, 0x28, 0x8a,
+	0x9a, 0x17, 0xaf, 0x25, 0x4d, 0x2f, 0x4f, 0x11, 0xe6, 0x35, 0xa0, 0xfa, 0x5a, 0x8a, 0x3e, 0x85,
+	0x96, 0xdc, 0x82, 0x57, 0x8e, 0x6a, 0x25, 0x96, 0xbd, 0x4a, 0xb0, 0xfb, 0x3d, 0xbd, 0x4a, 0xb0,
+	0x6b, 0xfe, 0x19, 0xda, 0xca, 0x87, 0xb8, 0x33, 0x52, 0xf9, 0x4c, 0xb0, 0x72, 0xfa, 0x7b, 0xe7,
+	0xcc, 0xf2, 0xa7, 0xc8, 0xec, 0x40, 0x4b, 0x6e, 0x89, 0xe6, 0x5f, 0x00, 0xd5, 0x77, 0x21, 0x31,
+	0xc8, 0x19, 0xc7, 0x09, 0xb7, 0xab, 0x6d, 0xd4, 0x93, 0xcc, 0x0b, 0xd5, 0x4b, 0x9f, 0x40, 0x8f,
+	0x50, 0xd7, 0xae, 0x5e, 0x82, 0x4e, 0xa8, 0xab, 0xe4, 0xe6, 0x31, 0x6c, 0x2d, 0xd9, 0x90, 0xd0,
+	0x1e, 0x74, 0xd3, 0x8e, 0xcd, 0x9e, 0xb3, 0x5a, 0x4b, 0xe7, 0x0a, 0xe6, 0x29, 0x6c, 0x2f, 0xdb,
+	0x3a, 0xd0, 0x41, 0x31, 0x6f, 0x94, 0x8d, 0x7c, 0xab, 0x4d, 0x15, 0xd5, 0xb4, 0xca, 0xc7, 0x90,
+	0xf9, 0x5f, 0x0d, 0x06, 0x15, 0x11, 0xda, 0x82, 0x16, 0x7f, 0xcc, 0x2a, 0x5a, 0xb7, 0x9a, 0xfc,
+	0x71, 0x26, 0x3f, 0xde, 0x44, 0x2f, 0xb3, 0x18, 0x3b, 0xea, 0xe3, 0x4d, 0xb7, 0x0a, 0x06, 0xfa,
+	0x04, 0xa0, 0xe8, 0x6e, 0x99, 0x4f, 0xdd, 0x2a, 0x71, 0xd0, 0x47, 0xa0, 0x5f, 0x07, 0x91, 0x73,
+	0x2b, 0x72, 0x22, 0x1b, 0xab, 0x69, 0x75, 0x25, 0xe3, 0x82, 0xdc, 0xa1, 0x5d, 0xe8, 0x8b, 0x54,
+	0xf9, 0xd4, 0x96, 0x2c, 0xf9, 0x29, 0xd5, 0xb4, 0x80, 0x91, 0xbb, 0x19, 0x3d, 0x16, 0x1c, 0xf3,
+	0x3b, 0x78, 0xb1, 0x74, 0x45, 0x42, 0x87, 0xb5, 0x0d, 0xe0, 0xe5, 0xb3, 0x70, 0x27, 0x4a, 0x5c,
+	0xda, 0x03, 0xae, 0x60, 0x58, 0x95, 0xa1, 0x2f, 0xa0, 0xad, 0xb2, 0x91, 0x16, 0xfe, 0x8a, 0x94,
+	0xa5, 0x4a, 0xe5, 0x2f, 0x5c, 0x55, 0xf6, 0xf9, 0xa0, 0xfd, 0x53, 0x6e, 0x3a, 0x9b, 0x86, 0xaf,
+	0x61, 0x83, 0x3f, 0xda, 0x95, 0xf0, 0x54, 0xc1, 0xf4, 0xf9, 0xe3, 0x45, 0x1e, 0x60, 0xd5, 0x64,
+	0xf9, 0xa3, 0xd9, 0xfc, 0x0c, 0x36, 0x9e, 0x6d, 0xa4, 0xa2, 0xe9, 0x48, 0x92, 0x44, 0x49, 0x7a,
+	0x3f, 0x8a, 0xf8, 0xd5, 0xef, 0xa1, 0x57, 0x7a, 0x36, 0x9e, 0xef, 0x89, 0x03, 0xd0, 0x8f, 0xdf,
+	0xbe, 0x3b, 0xf9, 0xce, 0x9e, 0x5f, 0x9c, 0x8e, 0x34, 0xb1, 0x0e, 0xce, 0xc6, 0x93, 0xb3, 0xcb,
+	0xd9, 0xe5, 0x95, 0xe4, 0xac, 0x1d, 0xfe, 0x1d, 0xda, 0xea, 0xd9, 0x46, 0x5f, 0x43, 0x5f, 0xfd,
+	0xba, 0xe0, 0x09, 0xc1, 0x21, 0xaa, 0x75, 0xe0, 0x4e, 0x8d, 0x63, 0x36, 0xde, 0x68, 0x5f, 0x6a,
+	0xe8, 0x53, 0x68, 0x9e, 0xfb, 0xd4, 0x43, 0xd5, 0xcf, 0xad, 0x9d, 0x2a, 0x69, 0x36, 0x8e, 0xbf,
+	0xf8, 0xeb, 0x9e, 0xe7, 0xf3, 0xc5, 0xfd, 0xf5, 0xbe, 0x13, 0x85, 0x07, 0x8b, 0xa7, 0x98, 0x24,
+	0x32, 0xba, 0xe4, 0xe0, 0x06, 0x5f, 0x27, 0xbe, 0x73, 0x20, 0xff, 0xe9, 0x60, 0x07, 0x0a, 0x76,
+	0xdd, 0x96, 0xe4, 0x57, 0xff, 0x0f, 0x00, 0x00, 0xff, 0xff, 0xe4, 0xe6, 0xef, 0x9c, 0x10, 0x11,
+	0x00, 0x00,
 }
diff --git a/protos/gossip/message.proto b/protos/gossip/message.proto
index 95de32868e7..6cf49b9aa74 100644
--- a/protos/gossip/message.proto
+++ b/protos/gossip/message.proto
@@ -310,9 +310,10 @@ message RemotePvtDataRequest {
 // PvtDataDigest defines a digest of private data
 message PvtDataDigest {
     string tx_id = 1;
-    string collection = 2;
-    uint64 block_seq = 3;
-    uint64 seq_in_block = 4;
+    string namespace = 2;
+    string collection = 3;
+    uint64 block_seq = 4;
+    uint64 seq_in_block = 5;
 }
 
 // RemotePrivateData message to response on private
diff --git a/protos/ledger/rwset/rwset.pb.go b/protos/ledger/rwset/rwset.pb.go
index 5e5bf50f078..3d55d5b06d1 100644
--- a/protos/ledger/rwset/rwset.pb.go
+++ b/protos/ledger/rwset/rwset.pb.go
@@ -225,6 +225,7 @@ type CollectionCriteria struct {
 	Channel    string `protobuf:"bytes,1,opt,name=channel" json:"channel,omitempty"`
 	TxId       string `protobuf:"bytes,2,opt,name=tx_id,json=txId" json:"tx_id,omitempty"`
 	Collection string `protobuf:"bytes,3,opt,name=collection" json:"collection,omitempty"`
+	Namespace  string `protobuf:"bytes,4,opt,name=namespace" json:"namespace,omitempty"`
 }
 
 func (m *CollectionCriteria) Reset()                    { *m = CollectionCriteria{} }
@@ -253,6 +254,13 @@ func (m *CollectionCriteria) GetCollection() string {
 	return ""
 }
 
+func (m *CollectionCriteria) GetNamespace() string {
+	if m != nil {
+		return m.Namespace
+	}
+	return ""
+}
+
 func init() {
 	proto.RegisterType((*TxReadWriteSet)(nil), "rwset.TxReadWriteSet")
 	proto.RegisterType((*NsReadWriteSet)(nil), "rwset.NsReadWriteSet")
@@ -267,35 +275,35 @@ func init() {
 func init() { proto.RegisterFile("ledger/rwset/rwset.proto", fileDescriptor0) }
 
 var fileDescriptor0 = []byte{
-	// 466 bytes of a gzipped FileDescriptorProto
+	// 473 bytes of a gzipped FileDescriptorProto
 	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0xac, 0x54, 0xcf, 0x6f, 0xd3, 0x30,
-	0x14, 0xc6, 0x2b, 0xdd, 0xc8, 0x5b, 0x15, 0x98, 0xb7, 0x89, 0x20, 0x4d, 0x50, 0x0a, 0x12, 0x15,
-	0x87, 0x04, 0xc6, 0x8d, 0x03, 0x07, 0xc6, 0x01, 0x84, 0x98, 0x90, 0x99, 0x40, 0x1a, 0x87, 0xc8,
-	0xb5, 0x4d, 0x13, 0xa9, 0x75, 0x22, 0xdb, 0x94, 0xf2, 0x07, 0x70, 0x86, 0x1b, 0x67, 0xfe, 0x53,
-	0xd4, 0xe7, 0xb4, 0xf9, 0x31, 0x7e, 0x1d, 0xb8, 0x44, 0xf1, 0xf3, 0xf7, 0xbd, 0xef, 0xf3, 0xfb,
-	0xe2, 0x40, 0x34, 0x53, 0x72, 0xaa, 0x4c, 0x62, 0x3e, 0x59, 0xe5, 0xfc, 0x33, 0x2e, 0x4d, 0xe1,
-	0x0a, 0xda, 0xc7, 0xc5, 0xe8, 0x3b, 0x81, 0xf0, 0x6c, 0xc9, 0x14, 0x97, 0xef, 0x4c, 0xee, 0xd4,
-	0x1b, 0xe5, 0xe8, 0x13, 0x00, 0xc9, 0x1d, 0x4f, 0xe7, 0x85, 0x54, 0xb3, 0x88, 0x0c, 0xc9, 0x38,
-	0x3c, 0xbe, 0x15, 0x7b, 0x6e, 0x1b, 0x1a, 0x3f, 0xe3, 0x8e, 0xbf, 0x5a, 0xc1, 0x58, 0x20, 0xd7,
-	0xaf, 0xf4, 0x01, 0x5c, 0xd1, 0x36, 0x45, 0x7c, 0xb4, 0x35, 0xec, 0x8d, 0x77, 0x8f, 0x0f, 0x2b,
-	0xf6, 0xa9, 0x6d, 0xb2, 0xd9, 0x8e, 0xb6, 0x0c, 0x4d, 0xec, 0x43, 0xb0, 0xe9, 0x44, 0xb7, 0x61,
-	0xeb, 0xe5, 0xdb, 0x6b, 0x97, 0x46, 0x3f, 0x08, 0x84, 0x6d, 0x02, 0x3d, 0x82, 0x40, 0xf3, 0xb9,
-	0xb2, 0x25, 0x17, 0x0a, 0x8d, 0x05, 0xac, 0x2e, 0xd0, 0x03, 0xe8, 0xaf, 0x45, 0xc9, 0x78, 0xc0,
-	0xfc, 0x82, 0xbe, 0x87, 0xeb, 0xa2, 0x98, 0xcd, 0x94, 0x70, 0x79, 0xa1, 0xd3, 0x8c, 0xdb, 0x4c,
-	0xc9, 0xca, 0x5c, 0x0f, 0xcd, 0xdd, 0xa9, 0xcc, 0x9d, 0x6c, 0x50, 0xcf, 0x11, 0xd4, 0xb2, 0x7a,
-	0x28, 0xba, 0xbb, 0x68, 0xfc, 0x1b, 0x81, 0xa3, 0x3f, 0xf1, 0xe8, 0x3d, 0xb8, 0xda, 0x50, 0x5f,
-	0x79, 0xad, 0x7c, 0x87, 0x75, 0xf9, 0x94, 0xcf, 0x15, 0xbd, 0x0d, 0x83, 0x96, 0x37, 0x7f, 0x86,
-	0xdd, 0xac, 0x16, 0xa3, 0x77, 0x21, 0x2c, 0x17, 0xce, 0xef, 0xe3, 0x41, 0xa2, 0x1e, 0x82, 0x06,
-	0xe5, 0xc2, 0x21, 0x62, 0xa5, 0x3f, 0xfa, 0x4a, 0x60, 0xef, 0x6c, 0xf9, 0x7a, 0xe1, 0xfe, 0x6b,
-	0xa6, 0x8f, 0x61, 0xa0, 0x6d, 0xba, 0x91, 0xaf, 0x72, 0x8d, 0x36, 0xb9, 0x76, 0xf4, 0x18, 0x68,
-	0x2c, 0xe1, 0x90, 0xbe, 0x10, 0xd8, 0xbb, 0x80, 0xf8, 0x4b, 0x96, 0x0c, 0x0e, 0x1a, 0x73, 0xeb,
-	0xea, 0x0e, 0x2f, 0x44, 0xd6, 0xd5, 0xa7, 0xa2, 0xb5, 0x85, 0x3e, 0xce, 0xe1, 0xc6, 0x6f, 0x09,
-	0xff, 0x1e, 0xd4, 0x2f, 0xbf, 0xb2, 0x91, 0x00, 0x5a, 0xf7, 0x3e, 0x59, 0x35, 0x35, 0x39, 0xa7,
-	0x11, 0xec, 0x88, 0x8c, 0x6b, 0x5d, 0x8d, 0x3c, 0x60, 0xeb, 0x25, 0xdd, 0x87, 0xbe, 0x5b, 0xa6,
-	0xb9, 0xc4, 0x2e, 0x01, 0xbb, 0xec, 0x96, 0x2f, 0x24, 0xbd, 0x09, 0x50, 0x8b, 0x61, 0xb8, 0x01,
-	0x6b, 0x54, 0x9e, 0xa6, 0x70, 0xbf, 0x30, 0xd3, 0x38, 0xfb, 0x5c, 0x2a, 0xe3, 0xef, 0x75, 0xfc,
-	0x81, 0x4f, 0x4c, 0x2e, 0xfc, 0x95, 0xb6, 0x71, 0x55, 0x44, 0x4b, 0xe7, 0x0f, 0xa7, 0xb9, 0xcb,
-	0x3e, 0x4e, 0x62, 0x51, 0xcc, 0x93, 0x06, 0x25, 0xf1, 0x94, 0xc4, 0x53, 0x92, 0xe6, 0xff, 0x61,
-	0xb2, 0x8d, 0xc5, 0x47, 0x3f, 0x03, 0x00, 0x00, 0xff, 0xff, 0xae, 0xa7, 0x5f, 0x87, 0x36, 0x04,
-	0x00, 0x00,
+	0x14, 0xc6, 0xeb, 0xba, 0x91, 0xb7, 0x2a, 0x30, 0x6f, 0x13, 0x41, 0x9a, 0xa0, 0x14, 0x24, 0x2a,
+	0x0e, 0x09, 0x8c, 0x1b, 0x07, 0x0e, 0x8c, 0x03, 0x08, 0x31, 0x21, 0x33, 0x81, 0x34, 0x0e, 0x91,
+	0x1b, 0x9b, 0x26, 0x52, 0xeb, 0x44, 0xb6, 0x29, 0xe5, 0xc8, 0x81, 0x33, 0xdc, 0x38, 0xf3, 0x9f,
+	0xa2, 0x3e, 0xa7, 0xf9, 0x55, 0x7e, 0x1d, 0xb8, 0x44, 0xf1, 0xf3, 0xf7, 0xbd, 0xef, 0xf3, 0xfb,
+	0xe2, 0x40, 0x30, 0x93, 0x62, 0x2a, 0x75, 0xa4, 0x3f, 0x1a, 0x69, 0xdd, 0x33, 0x2c, 0x74, 0x6e,
+	0x73, 0xda, 0xc7, 0xc5, 0xe8, 0x3b, 0x01, 0xff, 0x7c, 0xc9, 0x24, 0x17, 0x6f, 0x75, 0x66, 0xe5,
+	0x6b, 0x69, 0xe9, 0x63, 0x00, 0xc1, 0x2d, 0x8f, 0xe7, 0xb9, 0x90, 0xb3, 0x80, 0x0c, 0xc9, 0xd8,
+	0x3f, 0xb9, 0x19, 0x3a, 0x6e, 0x1b, 0x1a, 0x3e, 0xe5, 0x96, 0xbf, 0x5c, 0xc1, 0x98, 0x27, 0xd6,
+	0xaf, 0xf4, 0x3e, 0x5c, 0x56, 0x26, 0x46, 0x7c, 0xb0, 0x35, 0xec, 0x8d, 0xf7, 0x4e, 0x8e, 0x4a,
+	0xf6, 0x99, 0x69, 0xb2, 0xd9, 0xae, 0x32, 0x0c, 0x4d, 0x1c, 0x80, 0x57, 0x75, 0xa2, 0x3b, 0xb0,
+	0xf5, 0xe2, 0xcd, 0xd5, 0x4b, 0xa3, 0x1f, 0x04, 0xfc, 0x36, 0x81, 0x1e, 0x83, 0xa7, 0xf8, 0x5c,
+	0x9a, 0x82, 0x27, 0x12, 0x8d, 0x79, 0xac, 0x2e, 0xd0, 0x43, 0xe8, 0xaf, 0x45, 0xc9, 0x78, 0xc0,
+	0xdc, 0x82, 0xbe, 0x83, 0x6b, 0x49, 0x3e, 0x9b, 0xc9, 0xc4, 0x66, 0xb9, 0x8a, 0x53, 0x6e, 0x52,
+	0x29, 0x4a, 0x73, 0x3d, 0x34, 0x77, 0xbb, 0x34, 0x77, 0x5a, 0xa1, 0x9e, 0x21, 0xa8, 0x65, 0xf5,
+	0x28, 0xe9, 0xee, 0xa2, 0xf1, 0x6f, 0x04, 0x8e, 0xff, 0xc4, 0xa3, 0x77, 0xe1, 0x4a, 0x43, 0x7d,
+	0xe5, 0xb5, 0xf4, 0xed, 0xd7, 0xe5, 0x33, 0x3e, 0x97, 0xf4, 0x16, 0x0c, 0x5a, 0xde, 0xdc, 0x19,
+	0xf6, 0xd2, 0x5a, 0x8c, 0xde, 0x01, 0xbf, 0x58, 0x58, 0xb7, 0x8f, 0x07, 0x09, 0x7a, 0x08, 0x1a,
+	0x14, 0x0b, 0x8b, 0x88, 0x95, 0xfe, 0xe8, 0x2b, 0x81, 0xfd, 0xf3, 0xe5, 0xab, 0x85, 0xfd, 0xaf,
+	0x99, 0x3e, 0x82, 0x81, 0x32, 0x71, 0x25, 0x5f, 0xe6, 0x1a, 0x54, 0xb9, 0x76, 0xf4, 0x18, 0x28,
+	0x2c, 0xe1, 0x90, 0xbe, 0x10, 0xd8, 0xdf, 0x40, 0xfc, 0x25, 0x4b, 0x06, 0x87, 0x8d, 0xb9, 0x75,
+	0x75, 0x87, 0x1b, 0x91, 0x75, 0xf5, 0x69, 0xd2, 0xda, 0x42, 0x1f, 0x17, 0x70, 0xfd, 0xb7, 0x84,
+	0x7f, 0x0f, 0xea, 0x97, 0x5f, 0xd9, 0xe8, 0x33, 0x01, 0x5a, 0x37, 0x3f, 0x5d, 0x75, 0xd5, 0x19,
+	0xa7, 0x01, 0xec, 0x26, 0x29, 0x57, 0xaa, 0x9c, 0xb9, 0xc7, 0xd6, 0x4b, 0x7a, 0x00, 0x7d, 0xbb,
+	0x8c, 0x33, 0x81, 0x6d, 0x3c, 0xb6, 0x6d, 0x97, 0xcf, 0x05, 0xbd, 0x01, 0x50, 0xab, 0x61, 0xba,
+	0x1e, 0x6b, 0x54, 0xda, 0x33, 0xdb, 0xee, 0xcc, 0xec, 0x49, 0x0c, 0xf7, 0x72, 0x3d, 0x0d, 0xd3,
+	0x4f, 0x85, 0xd4, 0xee, 0xda, 0x87, 0xef, 0xf9, 0x44, 0x67, 0x89, 0xbb, 0xf1, 0x26, 0x2c, 0x8b,
+	0xe8, 0xf8, 0xe2, 0xc1, 0x34, 0xb3, 0xe9, 0x87, 0x49, 0x98, 0xe4, 0xf3, 0xa8, 0x41, 0x89, 0x1c,
+	0x25, 0x72, 0x94, 0xa8, 0xf9, 0xfb, 0x98, 0xec, 0x60, 0xf1, 0xe1, 0xcf, 0x00, 0x00, 0x00, 0xff,
+	0xff, 0xb4, 0x20, 0xc0, 0xca, 0x55, 0x04, 0x00, 0x00,
 }
diff --git a/protos/ledger/rwset/rwset.proto b/protos/ledger/rwset/rwset.proto
index cc2fc4b271e..e09024650ff 100644
--- a/protos/ledger/rwset/rwset.proto
+++ b/protos/ledger/rwset/rwset.proto
@@ -70,4 +70,5 @@ message CollectionCriteria {
     string channel = 1;
     string tx_id = 2;
     string collection = 3;
+    string namespace = 4;
 }
\ No newline at end of file