using (HttpClient httpclient = new HttpClient())
            {
                var response = await httpclient.GetStringAsync(new Uri("https://api.amazon.com/user/profile?access_token=" + _token));
                var obj = new JsonObject();

                if (JsonObject.TryParse(response, out obj))
                {
       
                    MessageDialog dialog = new MessageDialog($"UserName:{obj.GetNamedString("name")}, UserEmail:{obj.GetNamedString("email")}", "User Information");
                    await dialog.ShowAsync();
                }

            }