Transaction not yet indexed

53YU666bi4xFhW5DpQaKL1BqqUX9foibtDdShxLrrs9zK4SLdfTuFEbiTnPLYaM16ELuAgmJ51wuk2TYxFKTjs81

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