Transaction not yet indexed

53n8RTGcmbP3MV7a3fmmA8Eb5o5HSdbBtVRzDKmLh5WG5gRm1suxm2sADTC4MPKPh1e21ccw7upitkZYNyzdzqP5

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