Transaction not yet indexed

UCNMNvTz2jFqUPnuAT9GL8cY8jPbjv4hb196sgrdHMHg2EfKZkUNBUbdBSHLA5fj8faRTzgP53Me9byuwFxgRyq

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