Transaction not yet indexed

53aE16QQMPcgmXFJjLeKLPTmY1ftWH8eyaJx4WkhCis1na1asadVawtjtfRiykR9RGdM21ReRLM2pk3nZTXfF3zE

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