diff --git a/src/chains/ethereum.ts b/src/chains/ethereum.ts
index 4141685..8ef076b 100644
--- a/src/chains/ethereum.ts
+++ b/src/chains/ethereum.ts
@@ -236,7 +236,7 @@ export class NearEthAdapter {
 
     const signature = await this.mpcContract.requestSignature({
       path: this.derivationPath,
-      payload: Array.from(hashToSign.reverse()),
+      payload: Array.from(hashToSign),
       key_version: 0,
     });
     return serializeSignature(signature);
diff --git a/src/utils/transaction.ts b/src/utils/transaction.ts
index 1974411..ebb3979 100644
--- a/src/utils/transaction.ts
+++ b/src/utils/transaction.ts
@@ -13,7 +13,7 @@ export function toPayload(hexString: Hex): number[] {
   if (hexString.slice(2).length !== 32 * 2) {
     throw new Error(`Payload Hex must have 32 bytes: ${hexString}`);
   }
-  return Array.from(toBytes(hexString).reverse());
+  return Array.from(toBytes(hexString));
 }
 
 export function buildTxPayload(unsignedTxHash: `0x${string}`): number[] {
diff --git a/tests/unit/utils.transaction.test.ts b/tests/unit/utils.transaction.test.ts
index ff6735d..88fe4db 100644
--- a/tests/unit/utils.transaction.test.ts
+++ b/tests/unit/utils.transaction.test.ts
@@ -11,8 +11,8 @@ describe("Transaction Builder Functions", () => {
       "0x02e783aa36a7808309e8bb84773f7cbb8094deadbeef0000000000000000000000000b00b1e50180c0";
     const payload = buildTxPayload(txHash);
     expect(payload).toEqual([
-      178, 243, 90, 239, 203, 210, 59, 212, 215, 225, 70, 217, 13, 214, 94, 37,
-      36, 9, 101, 199, 230, 132, 140, 98, 211, 7, 68, 130, 233, 88, 145, 179,
+      179, 145, 88, 233, 130, 68, 7, 211, 98, 140, 132, 230, 199, 101, 9, 36,
+      37, 94, 214, 13, 217, 70, 225, 215, 212, 59, 210, 203, 239, 90, 243, 178,
     ]);
   });
 
diff --git a/tests/unit/wc.handlers.test.ts b/tests/unit/wc.handlers.test.ts
index b7dcb9e..0951436 100644
--- a/tests/unit/wc.handlers.test.ts
+++ b/tests/unit/wc.handlers.test.ts
@@ -25,9 +25,9 @@ describe("Wallet Connect", () => {
       );
       expect(evmMessage).toEqual(messageString);
       expect(payload).toEqual([
-        140, 57, 188, 66, 128, 51, 12, 191, 241, 190, 96, 50, 8, 251, 249, 208,
-        157, 27, 241, 60, 23, 124, 29, 153, 245, 135, 109, 181, 125, 67, 182,
-        82,
+        82, 182, 67, 125, 181, 109, 135, 245, 153, 29, 124, 23, 60, 241, 27,
+        157, 208, 249, 251, 8, 50, 96, 190, 241, 191, 12, 51, 128, 66, 188, 57,
+        140,
       ]);
     });
 
@@ -71,9 +71,9 @@ Nonce:
 2971c711-b798-4434-a631-1c3f13efe53e`
       );
       expect(payload).toEqual([
-        219, 231, 195, 249, 2, 161, 186, 203, 13, 63, 169, 203, 233, 111, 203,
-        91, 4, 166, 92, 92, 217, 141, 180, 168, 176, 123, 102, 85, 38, 115, 1,
-        71,
+        71, 1, 115, 38, 85, 102, 123, 176, 168, 180, 141, 217, 92, 92, 166, 4,
+        91, 203, 111, 233, 203, 169, 63, 13, 203, 186, 161, 2, 249, 195, 231,
+        219,
       ]);
     });
 
@@ -97,9 +97,9 @@ Nonce:
 Challenge: 4113fc3ab2cc60f5d595b2e55349f1eec56fd0c70d4287081fe7156848263626`
       );
       expect(payload).toEqual([
-        211, 164, 197, 156, 45, 221, 33, 214, 110, 59, 107, 27, 229, 254, 102,
-        73, 86, 215, 129, 196, 48, 209, 241, 41, 108, 165, 177, 200, 81, 31, 1,
-        104,
+        104, 1, 31, 81, 200, 177, 165, 108, 41, 241, 209, 48, 196, 129, 215, 86,
+        73, 102, 254, 229, 27, 107, 59, 110, 214, 33, 221, 45, 156, 197, 164,
+        211,
       ]);
     });
   });
@@ -255,9 +255,9 @@ Challenge: 4113fc3ab2cc60f5d595b2e55349f1eec56fd0c70d4287081fe7156848263626`
       );
       expect(evmMessage).toEqual(request.params[1]);
       expect(payload).toEqual([
-        154, 201, 197, 176, 122, 212, 161, 42, 56, 12, 218, 93, 39, 197, 249,
-        144, 53, 126, 250, 19, 85, 168, 82, 131, 104, 184, 46, 112, 237, 228,
-        48, 12,
+        12, 48, 228, 237, 112, 46, 184, 104, 131, 82, 168, 85, 19, 250, 126, 53,
+        144, 249, 197, 39, 93, 218, 12, 56, 42, 161, 212, 122, 176, 197, 201,
+        154,
       ]);
     });
   });