Transaction not yet indexed

MU6i7zCuuSsRYNJPVeAEJk2nX8MMZBVnAfrudcDgs5ZgkmNs9TgeeAHTWnrVBoPepPQP9veact5L7yKkTEYF3VZ

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