Transaction not yet indexed

TUknNWt9yAmxKy1psqMEKw6frxQSFYDfdEPL3iq1SD1hGqiQTZaGJjR2YmukqjKPV8Mq6TaoPnamCwgZRZoFeDF

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