Transaction not yet indexed

53NuwW6HiuWNRSmFkfSXUNPqq7WG3o6BPeQTniBvxE5nPrKxYYsUviBe2g4e3fAsPqKmJ16q3j6TreSdw2UdDcSm

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