Transaction not yet indexed

668i4pTNSRFVd9nsHZnPGUzShUmF9rY66oP6jbYsCuQQ8g43zbPAM5EtbGyxYqPiAuS2XVYe7z93EuC7JH9SvghX

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