using System;

using Newtonsoft.Json;

using Newtonsoft.Json.Linq;

public class Program

{

    public static void Main()

    {

        string request = "{'id':'Erp.UI.ReceiptEntry','properties':{'deviceType':'Desktop','layers':['SMTReceiptEntry V7'],'mode':null,'applicationType':'view','additionalContext':{'doValidation':false,'menuId':'FPTP0120'},'checkDuplicateIds':false,'debug':false}}";

        JObject resJObject = JObject.Parse(request);

        string appID = (string)resJObject["id"];

        Console.WriteLine(appID);

        JArray layerArr = (JArray)resJObject["properties"]["layers"];

        foreach (var layer in layerArr)

        {

            Console.WriteLine(layer);

        }

    }

}