Copy JSON item to another list

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C#

SQL-Server

JSON

I am trying to copy JSON item to another list. My code for the JSON RootObject in C#.Net is as follows:

public class RootObject
    {
        public string epc { get; set; }
        public string tagId { get; set; }
        public object jobId { get; set; }
        public string fromZone { get; set; }
        public object fromFloor { get; set; }
        public string toZone { get; set; }
        public object toFloor { get; set; }
        public object fromFacility { get; set; }
        public string toFacility { get; set; }
        public object fromX { get; set; }
        public object fromY { get; set; }
        public object toX { get; set; }
        public object toY { get; set; }
        public DateTime observationTime { get; set; }
    }

What I have tried:

And this is my code to convert data into JSON using newtonsoft

var settings = new JsonSerializerSettings { NullValueHandling = NullValueHandling.Ignore };
var jItem = JsonConvert.DeserializeObject<RootObject>(messege, settings);

Now my objective is to create a list of datatype RootObject and copy the JSON elements into a list so that I can use the same list to save the data into database. I am using MS SQL Server.

Actually, I am getting a bunch of data after every 15 seconds of interval from AMQP queue. This data is in the form of JSON string. So I want to stack up the data into a list every 15 seconds and then pass the same list to the database to store the data. So my logic is to copy the JSON string into list and pass the same list to the database.