Transaction not yet indexed

53nUC3o7qADgE8vYW7kep1ZKg3aNxTaAju6LQEzuQeXsSnDB2b2MoUBsV34ZsRGEifKpM5kutHiTCnSd1DFuT7r1

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