问Graph API无法通过项目代码工作，但相同的URL可通过AD Graph Explorer工作

EN

   {
  "odata.error": {
    "code": "Request_ResourceNotFound",
    "message": {
      "lang": "en",
      "value": "Resource not found for the segment 'me'."
    }
  }
}

https://graph.windows.net/XXXXX/me?api-version=1.6

 // Get the access token from the cache
            string userObjectID =
                ClaimsPrincipal.Current.FindFirst("http://schemas.microsoft.com/identity/claims/objectidentifier")
                    .Value;

            string authority = String.Format(CultureInfo.InvariantCulture, aadInstance, tenant);

            //AuthenticationContext authContext = new AuthenticationContext(authority,
            //    new NaiveSessionCache(userObjectID));
            ClientCredential credential = new ClientCredential(clientId, appKey);
            AuthenticationContext authContext = new AuthenticationContext(authority, true);
            result = await authContext.AcquireTokenAsync(graphResourceId.ToString(), credential);
            var Token = result.AccessToken;
            //// AcquireTokenSilentAsync
            //result = await authContext.AcquireTokenSilentAsync(graphResourceId, credential,
            //    new UserIdentifier(userObjectID, UserIdentifierType.UniqueId));

            // Call the Graph API manually and retrieve the user's profile.
            string requestUrl = String.Format(
                CultureInfo.InvariantCulture,
                graphUserUrl,
                HttpUtility.UrlEncode(tenantId));
            HttpClient client = new HttpClient();
            HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Get, requestUrl);
            request.Headers.Authorization = new AuthenticationHeaderValue("Bearer", result.AccessToken);
            HttpResponseMessage response = await client.SendAsync(request);

            // Return the user's profile in the view.
            if (response.IsSuccessStatusCode)
            {
                string responseString = await response.Content.ReadAsStringAsync();
                profile = JsonConvert.DeserializeObject<UserProfile>(responseString);
            }