[System.Web.Mvc.AllowAnonymous]

        [System.Web.Http.HttpGet]

        public ApprovalInfoCounts ApprovalCount(string userId)

        {

            ApprovalInfoCounts infoCounts = new ApprovalInfoCounts();

}

public class ApiResponseHelper

     {

         public static HttpResponseMessage ToJson(Object obj)

         {

             String str;

             if (obj is String || obj is Char)

             {

                 str = obj.ToString();

             }

             else

             {

                 JavaScriptSerializer serializer = new JavaScriptSerializer();

                 str = serializer.Serialize(obj);

             }

             HttpResponseMessage result = new HttpResponseMessage { Content = new StringContent(str, Encoding.GetEncoding("UTF-8"), "application/json") };

             return result;

         }

     }