Transaction not yet indexed

NMkhkcJYXcbNmgnk7qHXwRzVicRuSCZRG3RTJs4CYN6Lw29zZMVepxeiyrVUhRa8h9N7vppVP8zMYnX8LWmivgo

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