Transaction not yet indexed

Um96NSefRXevk8rB7PfYrBaYUYXWXkNKCYMds6aQaaMKKFN6Fu2dAMNppk3918zDw9ozqp8pXmpoBS41PUAcBYm

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