Transaction not yet indexed

5u66p5f21jaZvySDwd31DXrCMUACnxFcyi1fSkxp4M4xHS3u1GE7HMgk1pwa3grvEWdQTQV2esv9nQoL5TRdNqhm

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