using System;

using Newtonsoft.Json;

public class Program

{

    public static void Main()

    {

        string json1 = @" {

                            'field1': '123456789012345',

                            'field1.name1': 'HFE1'

                          }";

​

        DeserializeAndDump(json1);

    }

    private static void DeserializeAndDump(string json)

    {

        var obj = JsonConvert.DeserializeObject<ClassToDeserialize>(json);

        Console.WriteLine("Vin: " + obj.Vin);

        Console.WriteLine("Specifications: " + obj.Specification.CodeModel);

        Console.WriteLine();

    }

}

​

​

public class Specifications

{

    public string CodeModel { get; set; }

}

​

public class ClassToDeserialize

{

    [JsonProperty("field1")]

    public string Vin { get; set; }

​

    public Specifications Specification = new Specifications();

    [JsonProperty("field1.name1")]

    private string Name1 

    {

        get

        {

            return this.Specification.CodeModel;

        }

        set

        {

            this.Specification.CodeModel = value;

        }

    }

}