diff --git a/lib/infrastructure/rpc/sign_transactions/command_handler.dart b/lib/infrastructure/rpc/sign_transactions/command_handler.dart
index 1b1862169..3411e85f7 100644
--- a/lib/infrastructure/rpc/sign_transactions/command_handler.dart
+++ b/lib/infrastructure/rpc/sign_transactions/command_handler.dart
@@ -16,7 +16,7 @@ class RPCSignTransactionsCommandHandler extends RPCCommandHandler<
         <awc.SignTransactionRequestData>[];
     final transactions = dto.payload['transactions'];
     for (final Map<String, dynamic> transaction in transactions) {
-      final tx = archethic.Transaction.fromJson(transaction);
+      final tx = archethic.Transaction.fromNodeRPC(transaction);
       final rpcSignTransactionCommandData = awc.SignTransactionRequestData(
         data: tx.data!,
         version: tx.version,
diff --git a/pubspec.yaml b/pubspec.yaml
index 9f2b9d76e..adb601aef 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -3,7 +3,7 @@ description: Fully decentralized and cryptocurrency non-custodial hot wallet tha
 
 publish_to: "none" # Remove this line if you wish to publish to pub.dev
 
-version: 4.2.0+605
+version: 4.2.1+606
 
 environment:
   sdk: ">=3.5.0 <4.0.0"