Transaction not yet indexed

MknowSi9FmWBMzM6JcEv7srWfGgxs8yvyb3xvyb3YZK6Cf6rRjxgPsj5RfL9dYTvxnRAAT5gbGgfLkRgDCbMapY

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