Transaction not yet indexed

53WnZsmgNPUm5ZPYQH4FaKr627QGghhPLvuP1PPBm5LagbE4DSLSFqxZ7C1vmNRzpQePakf3ePUTJZSCHGx6V7V1

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