Transaction not yet indexed

21MpiCdsfZKM6QPva6tvYrfwWwnvnAUAW3T6cZ4fb5xrNWQn5C6Y8ETaeNqB6ich9T7wbbZXAcYYQRZWTqMsMFUy

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