Transaction not yet indexed

MMckcGFeMNeKphkSzLCy8XJQKiTGjvSMwBUMZoea6R8B1B7ujkVXj7CUVwnoVvUZzmbuFurD4eS4igkEQmKo9g2

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