WCF Post Request

//jQuery POST Request
var url = "http://localhost:8089/Edulink.svc/SaveUserData";
$.ajax({
    type: "POST",
    contentType: "application/json; charset=utf-8",
    url: url,
    data: '{"EmailID":"praveen", "LevelID": 1}',
    dataType: "json",
    processData: false,
    success: function (data, textStatus, jqXHR) {
        debugger;
    },
    error: function (jqXHR, textStatus, errorThrown) {
        debugger;
    }
});

//WCF Interface
namespace EduLink.ESPEED.WCFService
{
    [ServiceContract(Namespace = "")]
    public interface IEduLink
    [OperationContract]
    [WebInvoke(
            Method = "POST",
            ResponseFormat = WebMessageFormat.Json,
            RequestFormat = WebMessageFormat.Json,
            BodyStyle = WebMessageBodyStyle.WrappedRequest,
            UriTemplate = "/SaveUserData")]
    string SaveUserData(UserInfo userInfo);

   [DataContract]
    public class UserInfo
    {
        [DataMember]
        public string EmailID { get; set; }
        [DataMember]
        public int LevelID { get; set; }
    }
}

//WCF Class
namespace EduLink.ESPEED.WCFService
{
    [ServiceBehavior(IncludeExceptionDetailInFaults = true)]
    [AspNetCompatibilityRequirements(RequirementsMode = AspNetCompatibilityRequirementsMode.Allowed)]
    public class EduLink : IEduLink
    {
	public string SaveUserData(UserInfo userInfo)
        {
            return "1";
	}
    }
}

//Web.Config
<?xml version="1.0" encoding="utf-8"?>
<configuration>
  <system.web>
    <compilation debug="true" targetFramework="4.0">
      <assemblies>
        <add assembly="System.Data.Entity, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" />
      </assemblies>
    </compilation>
  </system.web>
  <system.serviceModel>
    <services>
      <service behaviorConfiguration="EduLinkBehavior" name="EduLink.ESPEED.WCFService.EduLink">
        <endpoint address="" behaviorConfiguration="EduLinkEndpointBehavior" contract="EduLink.ESPEED.WCFService.IEduLink" binding="webHttpBinding" />
        <endpoint address="mex" contract="IMetadataExchange" binding="mexHttpBinding" />
      </service>
    </services>
    <behaviors>
      <endpointBehaviors>
        <behavior name="EduLinkEndpointBehavior">
          <webHttp />
        </behavior>
      </endpointBehaviors>
      <serviceBehaviors>
        <behavior name="EduLinkBehavior">
          <serviceMetadata httpGetEnabled="true" />
          <serviceDebug includeExceptionDetailInFaults="true" />
        </behavior>
      </serviceBehaviors>
    </behaviors>
    <serviceHostingEnvironment multipleSiteBindingsEnabled="true" />
  </system.serviceModel>
  <system.webServer>
    <modules runAllManagedModulesForAllRequests="true" />
  </system.webServer>
</configuration>