Transaction not yet indexed

Mfb21xTyxwXQXi8PxFN4U55y4Tdh96VVaYCAba2wHy6qPSL4FD6SReX5viDhVdUGUoFr1XcJsfxWdULb5VG8qWs

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