Transaction not yet indexed

53FSr66BRFH2YkS7teD41EngdQE7sHJMMVznwMstoiWTAsYoKj9Ya9SDTaj8cqPr3FukGG7yFGUPH3YCbqT6MNiP

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