UKVCAS Authentication

https://auth.ukvcas.co.uk/Account/Login?ReturnUrl=%2Fconnect%2Fauthorize%2Fcallback%3Fclient_id%3DVisa%2520Application%26redirect_uri%3Dhttps%253A%252F%252Fwww.ukvcas.co.uk%252Fcallback%26response_type%3Did_token%2520token%26scope%3Dopenid%2520profile%2520FES_Internal%26state%3D1821ca0168ac46718c254d18546758af%26nonce%3Db736a4f8e7964698aa5504699285bf9e