using System;

using Newtonsoft.Json;

using JsonSubTypes;

​

public class Program

{

    public static void Main()

    {

        var serviceRequest1 = new ServiceRequest() {

            SrNumber = "1-SR-123",

            TemplateData = new SREscalation() {

                AccountNumber = "123456",

                Description = "Test account",

                ComplaintType = "Account"

            }

        };

        var serviceRequest2 = new ServiceRequest() {

            SrNumber = "1-SR-123",

            TemplateData = new SRInvestment() {

                AccountNumber = "123456",

                Description = "Test account",

                Beneficiary = "John Smith"

            }

        };

​

        var jsonServiceRequest1 = JsonConvert.SerializeObject(serviceRequest1);

        Console.WriteLine(jsonServiceRequest1);

​

        var jsonServiceRequest2 = JsonConvert.SerializeObject(serviceRequest2);

        Console.WriteLine(jsonServiceRequest2);

        var serviceRequest1Converted = JsonConvert.DeserializeObject<ServiceRequest>(jsonServiceRequest1);

        Console.WriteLine(serviceRequest1Converted.TemplateData.GetType());

        var serviceRequest2Converted = JsonConvert.DeserializeObject<ServiceRequest>(jsonServiceRequest2);

        Console.WriteLine(serviceRequest2Converted.TemplateData.GetType());

    }

}

​

​

class ServiceRequest

{

    public string SrNumber {get;set;}

    public BaseTemplateData TemplateData {get;set;}

}

​

[JsonConverter(typeof(JsonSubtypes))]

[JsonSubtypes.KnownSubTypeWithProperty(typeof(SRInvestment), "Beneficiary")]

[JsonSubtypes.KnownSubTypeWithProperty(typeof(SREscalation), "ComplaintType")]

class BaseTemplateData

{

    public string AccountNumber { get; set; }

    public string Description { get; set; }

}

​

class SRInvestment : BaseTemplateData

{

    public string Beneficiary {get;set; }

}

​

class SREscalation : BaseTemplateData

{

    public string ComplaintType { get; set; }

}

​

​