using System;

using System.Text.Json;

using System.Collections.Generic;

​

public class Program

{

    public static void Main()

    {

        DeletedDoctorEvent clsInfo = new DeletedDoctorEvent()

        {

            OperationId ="69e3816a-8cd5-420c-81ff-1cd4d93e75bc", 

            DomainName="Payment", 

            DeletionDate = DateTime.Now, 

            DeletedData = new Dictionary<string, List<string>>()

            {

                {"BookingIds", new List<string>(){"1", "2"}},

                {"PatientIds", new List<string>(){"3", "4"}}

            }

        };

        var settings=new JsonSerializerOptions{ DateFormatString ="yyyy-MM-ddTHH:mm:ss.fffZ"};

        String jsonOutput = JsonSerializer.Serialize(clsInfo, settings);

        Console.WriteLine(jsonOutput);

    }

    public class DeletedDoctorEvent

    {

        public string OperationId { get; set; }

        public string DomainName { get; set; }

        public DateTime DeletionDate { get; set; }

        public Dictionary<string, List<string>> DeletedData { get; set; }

    }

}