Transaction not yet indexed

668TZud8ZPNUGxwr13oCuGwUjNxAhWqxtuddGJKShS7J7L2ddWrxHV1pFYMCrdbdEv8aa17JTfWSu62XfS1GNRhd

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