using System;

using System.Collections.Generic;

using System.Linq;

using Newtonsoft.Json;

using System.ComponentModel; 

using System.Reflection;

using Newtonsoft.Json.Linq;

using System.Globalization;

public class Program

{

    public static void Main()

    {

        string json = @"{

            ""Ticket"": {

                ""1"": {

                    ""DisplayName"": ""Ticket ID"",

                    ""Value"": 117

                },

                ""2"": {

                    ""DisplayName"": ""Last Modified"",

                    ""Value"": ""2022-10-05T18:09:32.1070000Z""

                },

                ""3"": {

                    ""DisplayName"": ""Last User"",

                    ""Value"": ""SYSTEMACCOUNT""

                },

                ""4"": {

                    ""DisplayName"": ""Seq_Group"",

                    ""Value"": 1

                }

            }

        }";

        Root root = (Root)JsonConvert.DeserializeObject(json, typeof(Root));

        Console.WriteLine(JsonConvert.SerializeObject(root, Formatting.Indented));

    }

}

​

public class Root

{

    public Ticket Ticket { get; set; }

    [JsonConstructor]

    public Root(Dictionary<string, JObject> ticket)

    {

        Ticket = new Ticket();

        foreach (KeyValuePair<string, JObject> kvp in ticket)

        {

            string propertyName = kvp.Value.SelectToken("DisplayName").ToString();

            PropertyInfo propInfo = typeof(Ticket).GetProperties().FirstOrDefault(x => x.ToName() == propertyName);

            if (propInfo != null)

            {

                JToken value = kvp.Value.SelectToken("Value");

                Type propType = propInfo.PropertyType;

                if (propType == typeof(DateTime))

                    propInfo.SetValue(Ticket, DateTime.Parse(value.ToString()));                

                else

                    propInfo.SetValue(Ticket, value.ToObject(propType));

            }

        }

    }

}

​

public class Ticket 

{

    [DisplayName("Ticket ID")]

    public int TicketID {get; set;}

    [DisplayName("Last Modified")]

    public DateTime LastModified {get; set;}

    [DisplayName("Last User")]

    public string LastUser {get; set;}

    public int Seq_Group {get; set;}    

}

​

public static class ReflectionExtensions

    {

        public static string ToName(this PropertyInfo propertyInfo)

        {

            try

            {

                object[] displayNameAttributes = propertyInfo

                    .GetCustomAttributes(typeof(DisplayNameAttribute), false)

                    .ToArray();

​

                if (displayNameAttributes != null && displayNameAttributes.Count() > 0)

                    return ((DisplayNameAttribute)displayNameAttributes[0]).DisplayName;

​

                return propertyInfo.Name;

            }

            catch

            {

                return propertyInfo.Name;

            }

        }

}