Transaction not yet indexed

668CLHa9MZx7fqQGjeDXEeVda4QrAccAhGmwuZuiY2cP6LLKdYuqFjdNNPefpa5eF1QaWoCdZBA2jqTkG7zMHc4A

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