using System;

using Newtonsoft.Json;

using System.Dynamic;

using System.Collections.Generic;

using Newtonsoft.Json.Converters;

public class Program

{

    public static void Main(string[] args)

    {

        var json = @"{

            ""initdata"":  {

                ""cell"": {

                    ""apn"": ""n"",

                    ""userName"": ""n"",

                    ""password"": ""n"",

                    ""number"": ""n""

                },

                ""wifi"": {

                    ""mode"": ""AP"",

                    ""ssid"": ""m"",

                    ""password1"": "",""

                },

                ""ports"": {

                    ""p1"": ""k"",

                    ""p2"": ""y"",

                    ""p3"": ""5""

                }

            }

        }";

        dynamic obj = JsonConvert.DeserializeObject<ExpandoObject>(json, new ExpandoObjectConverter());

        PrepareEnumIds();

        RenameEnumProps(obj as ExpandoObject);

        var shortJson = JsonConvert.SerializeObject(obj, Formatting.Indented);

        Console.WriteLine(shortJson);

    }

​

    public static void RenameEnumProps(ExpandoObject expando)

    {

        var expandoDict = expando as IDictionary<string, object>;

        var props = new List<string>(expandoDict.Keys);

        for (var i = props.Count - 1; i >= 0; i--)

        {

            var child = expandoDict[props[i]];

            if (child is ExpandoObject)

                RenameEnumProps(child as ExpandoObject);

            if (enumIds.ContainsKey(props[i]))

            {

                expandoDict.Add(enumIds[props[i]], child);

                expandoDict.Remove(props[i]);

            }

        }

    }

​

    static Dictionary<string, string> enumIds = new Dictionary<string, string>();

​

    static void PrepareEnumIds()

    {

        foreach (var enumType in new[] { typeof(celle), typeof(wifie), typeof(portse), typeof(initdatae), typeof(settingse) })

            foreach (var enumValue in Enum.GetValues(enumType))

                enumIds.Add(enumValue.ToString(), ((int)enumValue).ToString());

    }

​

    public enum celle { apn, userName, password, number };

    public enum wifie { mode, ssid, password1 };

    public enum portse { p1, p2, p3 };

    public enum initdatae { cell, wifi, ports };

    public enum settingse { initdata, timers }

}