using System;

using Newtonsoft.Json;

public class Program

{

    public static void Main()

    {

        string json = "{\"id\":\"emulator: conversation4acee870 - 4bf7 - 11e9 - 849f - abbeb92fb354 | livechat\",\"botId\":\"05682e70 - 4410 - 11e9 - bd6d - d3b4ec617e06\",\"channelId\":\"emulator\",\"conversationId\":\"4acee870 - 4bf7 - 11e9 - 849f - abbeb92fb354 | livechat\",\"userId\":\"72aee04c - 8ce5 - 4c1e - abfe - 32680a5f2404\",\"data\":{\"FirstName\":\"sam\",\"Surname\":\"smith\"},\"etag\":\"2355667676\",\"attachement\":\"222445666\"}";

        var result = JsonConvert.DeserializeObject<YourModel>(json);

        Console.WriteLine("ID: "+result.id);

        Console.WriteLine("BOT ID: "+result.botId);

        Console.WriteLine("Data First Name: "+result.data.FirstName);

    }

    public class YourModel

        {

            public string id { get; set; }

            public string botId { get; set; }

            public string channelId { get; set; }

            public string conversationId { get; set; }

            public string userId { get; set; }

            public Data data { get; set; }

            public string etag { get; set; }

            public string attachement { get; set; }

        }

​

        public class Data

        {

            public string FirstName { get; set; }

            public string Surname { get; set; }

        }

}