Transaction not yet indexed

NmJfd1V53WFxNTiQZCQpfUF44sQmkdQbkeVmL7ZjKgdUx4EvNmgVMLSMPVg1R4JSFZa8XSF5gSCFFEAh4MEDEZ6

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