Как вставить значение в объект json в существующий ключ в виде массива?

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**Below code output**: I am able to get json as below by this code

    {
    
      "ContainerId": "848dc1ca-04ae-457e-b6ac-0dee454816c4",
    
      "ContainerName": "Container1"
    
    }

**Needed Output**: But I want to insert value dynamically like below json in array that contains multiple container ID and Container Name
I have to make json like this

    {"Container":[{"ContainerId":"1","ContainerName":"Container1"}, 
                  {"ContainerId":"2","ContainerName":"Container2"}, 
                  {"ContainerId":"3","ContainerName":"Container3"}, 
                  {"ContainerId":"4","ContainerName":"Container4"}]}


This is the code which for reference, Please let me know how I can do this in C#

Что я уже пробовал:

var jsonDiaptchObject = JObject.Parse(stockItem.Payload); 
            var oldDispatchItem = await _stockItemService.GetStockItemFor(stockItem.Identifier); 
           foreach (var dispatchItem in packItemRequest.DispatchItems)
            {
                containerid = Guid.NewGuid();
                
                KeyValuePair<string, string>[] propertyDispatchs = new KeyValuePair<string, string>[]
                {
                    new KeyValuePair<string, string>("ContainerId", containerid.ToString()),
                    new KeyValuePair<string, string>("ContainerName", dispatchItem.Container.ToString())
                };
                string olddispatchValue = null;
               
                foreach (var propertyDispatch in propertyDispatchs)
                {
                    if (jsonDiaptchObject.ContainsKey(propertyDispatch.Key))
                    {
                        olddispatchValue = JObject.Parse(stockItem.Payload)[propertyDispatch.Key]?.ToString(); //have to get dispatch payload
                        
                        //jsonDiaptchObject.Add(propertyDispatch.Key.Insert(0, propertyDispatch.Value));
                         
                    }
                    jsonDiaptchObject.Add(propertyDispatch.Key, propertyDispatch.Value);

                    
                }
                            }
                        
            stockItem.Payload = jsonDiaptchObject.ToString();

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