Transaction not yet indexed

Nps21fxAS7zvEMi85Gej9LeRofkCFXLoxgpAAqRn8wX81PvpsJVpB9ChcmpcxTd2TxKKWX52E1EFkUTxZbGo8Pj

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