using System;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        string input = @"{

  ""DataKEY"": [

    {

      ""value"": {

        ""timestamp"": ""2022-10-26T05:00:00Z"",

        ""value"": 0.0

      }

    },

    {

      ""value"": {

        ""timestamp"": ""2022-10-26T06:00:00Z"",

        ""value"": 0.0

      }

    }

    ]

    }";

        //Console.WriteLine(input);

        var objs = Newtonsoft.Json.JsonConvert.DeserializeObject<DataKeyWrapper>(input);

        //FiddleHelper.Dump(objs);

        var output = Newtonsoft.Json.JsonConvert.SerializeObject(objs, new Newtonsoft.Json.JsonSerializerSettings { Formatting = Newtonsoft.Json.Formatting.Indented, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore });

        Console.WriteLine(output);

    }

    public class DataKeyWrapper

    {

        public DataKey[] DataKEY { get;set; }

    }

    public class DataKey

    {

        public DataKeyValue Key { get;set; }

        public DataKeyValue Value 

        { 

            get

            {

                return null;

            }

            set 

            { 

                Key = value; 

            }

        }

    }

    public class DataKeyValue

    {

        public DateTime timestamp { get;set; }

        public Decimal value { get;set; }

    }

}