MVC + JSend Result

ajax.js

/* global alert */
define(
    ['jquery'],
    function ($) {
        $.ajaxPrefilter(function (options, originalOptions, jqXHR) {
            jqXHR.then(function (data) {
                if (!data) {
                    return;
                }
                if (data.status !== 'error') {
                    return;
                }

                var message = "Oops... something went wrong!";
                if (!!data.message) {
                    message += "\r\n\r\n" + data.message;
                }

                alert(message);
            });
        });
    });

JSendResult.cs

using System;
using System.Web.Mvc;
using Newtonsoft.Json;
using Newtonsoft.Json.Converters;
using Newtonsoft.Json.Serialization;

namespace Web.Core
{
    public class JSendResult : JsonResult
    {
        public static JSendResult Success(object data)
        {
            return new JSendResult(new Payload
            {
                Data = data,
                Status = Status.Success
            });
        }

        public static JSendResult Fail(object data)
        {
            return new JSendResult(new Payload
            {
                Data = data,
                Status = Status.Fail
            });
        }

        public static JSendResult Error(string message, object data = null, int? code = null)
        {
            return new JSendResult(new Payload
            {
                Data = data,
                Status = Status.Error
            });
        }

        private JSendResult(Payload data)
        {
            Data = data;
            JsonRequestBehavior = JsonRequestBehavior.AllowGet;
        }

        private static readonly JsonSerializerSettings JsonSerializerSettings = new JsonSerializerSettings
        {
            ContractResolver = new CamelCasePropertyNamesContractResolver()
        };

        public override void ExecuteResult(ControllerContext context)
        {
            if (context == null)
                throw new ArgumentNullException("context");

            var response = context.HttpContext.Response;
            response.ContentType = string.IsNullOrEmpty(ContentType) ? "application/json" : ContentType;
            if (ContentEncoding != null)
                response.ContentEncoding = ContentEncoding;
            if (Data == null)
                return;

            response.Write(JsonConvert.SerializeObject(Data, JsonSerializerSettings));
        }

        public class Payload
        {
            [JsonConverter(typeof(CamelCaseStringEnumConverter))]
            public Status Status { get; set; }
            public object Data { get; set; }
            [JsonProperty(NullValueHandling = NullValueHandling.Ignore)]
            public string Message { get; set; }
            [JsonProperty(NullValueHandling = NullValueHandling.Ignore)]
            public int? Code { get; set; }
        }

        public enum Status
        {
            Success,
            Fail,
            Error
        }

        public class CamelCaseStringEnumConverter : StringEnumConverter
        {
            public CamelCaseStringEnumConverter()
            {
                CamelCaseText = true;
            }
        }
    }
}