Transaction not yet indexed

MkUPsS6TuFo2ge5Ka3RBwykAqEkGyaqKfgdQ2F2drUJF3R1ZHB6yEKHDrvHMZgkDLt5dDmQQtTMpuen7u6PDLqY

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