Transaction not yet indexed

53E66hsfpvWmBTrKQPdpAhuDmuo2q31MxHb61U1g9YerhuMFJVDgocuRSKzNfvjN9SpzCrmmiAboJiGySdfE8Ks3

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