Transaction not yet indexed

53s21p8Bq56cKAddKYpQCRWxo54WNWPFQCDn6xw2eZhNJppd4p23mccvBvEj8cM8JthcYJTUrQRjFtDRd2fjffvS

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