DeserializeObject JSON to Object in asp.net C#, OR We can say Convert JSON to C# Object

using Newtonsoft.Json.Linq;
using System;
using System.Collections.Generic;
using System.Web.Script.Serialization;

string example = System.IO.File.ReadAllText("D://Result.txt");
var JsonResult = JObject.Parse(example);
if (JsonResult["transaction_details"] != null)
{
 var success = JsonResult["transaction_details"].First.ToString();
 if (success != null)
 {
  int len = success.ToString().IndexOf(":") + 1;
  var FinalJson = JObject.Parse(success.Substring(len));
  if (FinalJson != null)
  {
    IntentFlowProperty flight = Newtonsoft.Json.JsonConvert.DeserializeObject(FinalJson.ToString());
  }
 }
}
        
        
public class IntentFlowProperty
    {
        public string mihpayid { get; set; }
        public object request_id { get; set; }
        public object bank_ref_num { get; set; }
        public string amt { get; set; }
        public string transaction_amount { get; set; }
        public string txnid { get; set; }
        public string additional_charges { get; set; }
        public string productinfo { get; set; }
        public string firstname { get; set; }
        public string bankcode { get; set; }
        public object udf1 { get; set; }
        public object udf3 { get; set; }
        public object udf4 { get; set; }
        public object udf5 { get; set; }
        public object field2 { get; set; }
        public object field9 { get; set; }
        public object error_code { get; set; }
        public string addedon { get; set; }
        public string payment_source { get; set; }
        public object card_type { get; set; }
        public string error_Message { get; set; }
        public string net_amount_debit { get; set; }
        public string disc { get; set; }
        public string mode { get; set; }
        public string PG_TYPE { get; set; }
        public string card_no { get; set; }
        public object udf2 { get; set; }
        public object field5 { get; set; }
        public object field7 { get; set; }
        public string status { get; set; }
        public string unmappedstatus { get; set; }
        public object Merchant_UTR { get; set; }
        public object Settled_At { get; set; }
        public object App_Name { get; set; }
    }
    
   

JSON Strting:- {"status":1,"msg":"1 out of 1 Transactions Fetched Successfully","transaction_details":{"SAOAO1000010147-20210608185806":{"mihpayid":"403993715523232833","request_id":null,"bank_ref_num":null,"amt":"1.00","transaction_amount":"1.00","txnid":"SAOAO1000010147-20210608185806","additional_charges":"0.00","productinfo":"ABCDEF","firstname":"MURLI","bankcode":"INTENT","udf1":null,"udf3":null,"udf4":null,"udf5":null,"field2":null,"field9":null,"error_code":null,"addedon":"2021-06-08 18:58:07","payment_source":"payuPureS2S","card_type":null,"error_Message":"","net_amount_debit":"0.00","disc":"0.00","mode":"UPI","PG_TYPE":"UPI-PG","card_no":"","udf2":null,"field5":null,"field7":null,"status":"pending","unmappedstatus":"in progress","Merchant_UTR":null,"Settled_At":null,"App_Name":null}}}