Transaction not yet indexed

668XAmz3zV3BuPgRiDTygiX8SVLVJuNYdpCu3HZfhr5k9pCdnYNGgUTML4mLJ3Gjq9eFowP33R2ESgrJ83iwxatw

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