Transaction not yet indexed

668HJ3nKvsPwBNcEYwM9PyJggcJYiNpcFbxYgKCkTCj5cBqzieEDWeDcEgzXfwxZrJwSrxBQL7AJkqAqdGoD7qh5

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