Transaction not yet indexed

53nbSQdAuoHurD2V8xtpAsbp2dRSPwdbcvrmzpQxc4k45bPsRF7uxSisWv2RtCdrMMYyLZdF2RibYBE5TSDYLPnP

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