Transaction not yet indexed

53SfERKeNAhvNDBWXbheQjyyNUEXvSw8tKFs6sCm5cLTWHXgrDPJTkWWS2P3CEbqLQ5Dno3mt2yAjFJecDemH1AX

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