Transaction not yet indexed

53u7SxusAincDxnCC9AzfHGeM8C1TYnScBuq8oUUJQhPYaQNYVTZaKYwtHoiNTd1pawn8WcAMSG7EKQKRJJ2E2km

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