Transaction not yet indexed

53REF2UBH15wrdjgavvHAtnMo8bfQYBPhfV2ESPvE8ESBwu1m7k6eh1Rn8pYVCFZ32hCkNpDEAaRvEAT5QsU6QBD

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