using System;

using Newtonsoft.Json;

​

public class Customer

{

    public long Id { get; set; }

​

    public string UserName { get; set; }

​

    public AddressModel Address { get; set; }

}

​

public class AddressModel

{

    public string Address { get; set; }

    public string Address2 { get; set; }

    public string City { get; set; }

    public string State { get; set; }

    public string Zip { get; set; }

}

public class Program

{

    public static void Main()

    {

        var input = @"{

            ""id"": 123,

            ""userName"": ""fflintstone"",

            ""address"": ""345 Cave Stone Road"",

            ""address2"": """",

            ""city"": ""Bedrock"",

            ""state"": ""AZ"",

            ""zip"": """"   

        }";

        var template = new 

        { 

            id = default(int),

            userName = default(string),

            address = default(string),

            address2 = default(string),

            city = default(string),

            state = default(string),

            zip = default(string)

        };

        var temp = JsonConvert.DeserializeAnonymousType(input, template);

        var address = new AddressModel

        {

            Address = temp.address,

            Address2 = temp.address,

            City = temp.city,

            State = temp.state,

            Zip = temp.zip

        };

        var customer = new Customer

        {

            Id = temp.id,

            UserName = temp.userName,

            Address = address

        };

        Console.WriteLine("{0} {1}", customer.Id, customer.Address.City);

    }

}