using System;

using System.Collections.Generic;

using Newtonsoft.Json;

public class Program

{

    public static void Main()

    {

        string json = @"

            {

            ""profiles"": {

              ""1.7.10"": {

                 ""name"": ""1.7.10"",

                 ""lastVersionId"": ""1.7.10""

               },

              ""foo.bar"": {

                 ""name"": ""foo.bar"",

                 ""lastVersionId"": ""x.y.z""

               }

              },

              ""selectedProfile"": ""1.7.10""

            }";

        RootObject root = JsonConvert.DeserializeObject<RootObject>(json);

        foreach (var kvp in root.profiles)

        {

            Console.WriteLine("Name: " + kvp.Value.name);

            Console.WriteLine("LastVersionId: " + kvp.Value.lastVersionId);

            Console.WriteLine();

        }

    }

}

​

public class RootObject

{

    public Dictionary<string, Profile> profiles { get; set; }

    public string selectedProfile { get; set; }

}

​

public class Profile

{

    public string name { get; set; }

    public string lastVersionId { get; set; }

}

​