Transaction not yet indexed

53b2NUXADsnwTWN6kov4FdJxMhL6c7AmCEcV2qmZoQGU57UbES7nUFJpZTL5juzqsQjbQ2cfyHiSS4hvPiCBciY2

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