Transaction not yet indexed

NAn4SHvQTxFzo82xLc5aCGx89bjwHZ5W43FG76qMSupB6YqhJVt8KF2PFiLoC1hZSWwSPyRGRPP1GyQa38NhSt1

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