Transaction not yet indexed

mnkuJC7991PA5qYiRRPj6WH6UaNgNfvkHihSqgvbnZfxDQt9A81eMqn3g9byL1dhAdRgModz7bni5Y7iQ7CLNG9

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