Transaction not yet indexed

MTNk2LqMrhWaBGhourTirXQcMbSLP8uerY1DTYbheJ4bJobkVozpEqZLaPYpsWPSc2o3CYb8k9Gu8XVkiPzVXdt

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