Transaction not yet indexed

668FZJPrXQhbSAU4HE9hEgY28eZRy476FQeF5f2uMjiWa7eH6vKBi634hk2b4eyeGokCGjjLWbYsimdVuKUtNsPh

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