Transaction not yet indexed

53NBHbj6Y3HWsmPd3YcjxRAPExdsEY88zA3dGRMZtQSbQv7FSmXnboSo1h4Fb76k6YwUSuMQ5qEHMRLjMSLTvaLK

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.