Transaction not yet indexed

668FuKCWh3dBaTdYSv2b5h3dvPLfTvSupG8v1nLnjD4MuLtFATG6G4i6TvPffb7NQSEevzRbKMMQPUiiZehNHq6U

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