Transaction not yet indexed

53b4Q1oYKSmfzbMF7HdhC5KphM9283euNLndWiAS7A4HqbG3Tu5R4KiCVqhov7cfDvbZqUtCLEHfbNjqYMezdyL5

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