diff --git a/core/types/blob_sidecar.go b/core/types/blob_sidecar.go
index d4f63602d0..a97d1ed406 100644
--- a/core/types/blob_sidecar.go
+++ b/core/types/blob_sidecar.go
@@ -2,10 +2,12 @@ package types
 
 import (
 	"bytes"
+	"encoding/json"
 	"errors"
 	"math/big"
 
 	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/ethereum/go-ethereum/rlp"
 )
 
@@ -53,3 +55,40 @@ func (s *BlobSidecar) SanityCheck(blockNumber *big.Int, blockHash common.Hash) e
 	}
 	return nil
 }
+
+func (s *BlobSidecar) MarshalJSON() ([]byte, error) {
+	fields := map[string]interface{}{
+		"blockHash":   s.BlockHash,
+		"blockNumber": hexutil.EncodeUint64(s.BlockNumber.Uint64()),
+		"txHash":      s.TxHash,
+		"txIndex":     hexutil.EncodeUint64(s.TxIndex),
+	}
+	fields["blobSidecar"] = s.BlobTxSidecar
+	return json.Marshal(fields)
+}
+
+func (s *BlobSidecar) UnmarshalJSON(input []byte) error {
+	type blobSidecar struct {
+		BlobSidecar BlobTxSidecar `json:"blobSidecar"`
+		BlockNumber *hexutil.Big  `json:"blockNumber"`
+		BlockHash   common.Hash   `json:"blockHash"`
+		TxIndex     *hexutil.Big  `json:"txIndex"`
+		TxHash      common.Hash   `json:"txHash"`
+	}
+	var blob blobSidecar
+	if err := json.Unmarshal(input, &blob); err != nil {
+		return err
+	}
+	s.BlobTxSidecar = blob.BlobSidecar
+	if blob.BlockNumber == nil {
+		return errors.New("missing required field 'blockNumber' for BlobSidecar")
+	}
+	s.BlockNumber = blob.BlockNumber.ToInt()
+	s.BlockHash = blob.BlockHash
+	if blob.TxIndex == nil {
+		return errors.New("missing required field 'txIndex' for BlobSidecar")
+	}
+	s.TxIndex = blob.TxIndex.ToInt().Uint64()
+	s.TxHash = blob.TxHash
+	return nil
+}
diff --git a/ethclient/ethclient.go b/ethclient/ethclient.go
index bf26c79aa8..8cf50eb528 100644
--- a/ethclient/ethclient.go
+++ b/ethclient/ethclient.go
@@ -131,8 +131,8 @@ func (ec *Client) BlockReceipts(ctx context.Context, blockNrOrHash rpc.BlockNumb
 }
 
 // BlobSidecars return the Sidecars of a given block number or hash.
-func (ec *Client) BlobSidecars(ctx context.Context, blockNrOrHash rpc.BlockNumberOrHash) ([]*types.BlobTxSidecar, error) {
-	var r []*types.BlobTxSidecar
+func (ec *Client) BlobSidecars(ctx context.Context, blockNrOrHash rpc.BlockNumberOrHash) ([]*types.BlobSidecar, error) {
+	var r []*types.BlobSidecar
 	err := ec.c.CallContext(ctx, &r, "eth_getBlobSidecars", blockNrOrHash.String())
 	if err == nil && r == nil {
 		return nil, ethereum.NotFound
@@ -141,8 +141,8 @@ func (ec *Client) BlobSidecars(ctx context.Context, blockNrOrHash rpc.BlockNumbe
 }
 
 // BlobSidecarByTxHash return a sidecar of a given blob transaction
-func (ec *Client) BlobSidecarByTxHash(ctx context.Context, hash common.Hash) (*types.BlobTxSidecar, error) {
-	var r *types.BlobTxSidecar
+func (ec *Client) BlobSidecarByTxHash(ctx context.Context, hash common.Hash) (*types.BlobSidecar, error) {
+	var r *types.BlobSidecar
 	err := ec.c.CallContext(ctx, &r, "eth_getBlobSidecarByTxHash", hash)
 	if err == nil && r == nil {
 		return nil, ethereum.NotFound