Transaction not yet indexed

MTufnKpkxZXsfG44oTD8DDRtdDHa4BPah28h4WH9oGkDjoUXWmPqSFdQ2UTuV6Pq9MPEmBmGx9WcgUbFcujqta5

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