Transaction not yet indexed

ngaFfEmBUTqExr18RUqCgUSY1uzcWfFMnwPvbDmR9EJS9KduZCtFnHGDYWrhWSyNfpLD81bFcrt3miVEtEZ9mn7

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