Transaction not yet indexed

Nfgn6uAZKD2uFD8LeqVaGwk8bbnAeDTMsabVmCmGbpj1CN4AVnbdwv45Ys9kWZA7RWuZoajz9kFkMyYZhN6TjMY

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