Transaction not yet indexed

ACkXffXiqNHYUPpfbZ678f1nHxYnCYP27TVFBZeiPH4VzXyWYMx1VU4innfGHk5qDBhydPCcpa2Livmo1Xa6M3k

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