Transaction not yet indexed

668GKpDPFuL6qdpXibACi9zt4SJ9gSRWgdo2oMiFpJG6ByG5cvL97nXUXrGpT7TmftyvEcahgkB27jwy9z8jPrwt

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