Transaction not yet indexed

SMffktZ2knWRZuzG6XbEdTm8GHtCYVTnrdhMi7DeRmVYpgqrLuaDPPd8onkVTxjA7oyWBWANiGTNLyUoLH4L3bk

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