Transaction not yet indexed

MbkfHo2cfHgYUkvzLqrGTf3NpmhY94i7Kkhcf53BZn8fSC7rsYCnKPYymopJLJ1qac9dwkYcQgqUeDTJMiWjES9

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