Transaction not yet indexed

NmNDonJ6EQ2wDGj85FSaPssBoWukxVYGQAxstri8fe5XGQhx9EYcAe4kDbbQX4R2mq8be8F8kUByJhWTE2aYPAX

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