Transaction not yet indexed

666HRXLvcM5XZxZVDbnusPMpLEQM9z1WFuDb471gjMVVRH1HRSYZCDScmGoabAM9VPciH3EVuJxpQ6FT74G36Csb

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