Transaction not yet indexed

668rDPX9MdgHS5BHdE2dk6bWgypmGjgv4692BqKDPzU3tyU4PG1sSpT4VCKbn5zMfRYwmG3JypWsyB9vsBnBKkgL

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