Machine JSON DTOs

main.cs

using System.Linq;
using System.Collections.Generic;
using ServiceStack;
using ServiceStack.Text;

public class Dto
{
    public int SourceID { get; set; }
    public Dictionary<int, MachineEntry> Machines { get; set; }
}

public class MachineEntry
{
    public Machine Machine { get; set; }
}

public class Machine
{
    public string Version { get; set; }
}

var json = "{\"SourceID\":\"4\",\"Machines\":{\"2017\":{\"Machine\":{\"Version\":\"501\"}}}}";

var dto = json.FromJson<Dto>();

dto.PrintDump();

packages.config

<?xml version="1.0" encoding="utf-8"?>
<packages>
  <package id="ServiceStack.Text" version="4.0.62" targetFramework="net45" />
  <package id="ServiceStack.Client" version="4.0.62" targetFramework="net45" />
  <package id="ServiceStack.Interfaces" version="4.0.62" targetFramework="net45" />
</packages>