Transaction not yet indexed

MRMxkK6CN6hzK5QXVrtiWh7ah339RxWTWqi6Y1bdRYxvqoHquwLdMVfarQdtr2aGSkBwvQTRgZxAHnggXbJSuso

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