[{"id":5,"somevalue":"x","somevalue":"y"},{},{} .....]

var response = MyJsonResponse;
  response.Data = JsonConvert.DeserializeObject<List<TDecode>>(response.ResponseResult);

{"results": [{"id":5,"somevalue":"x","somevalue":"y"},{},{} .....]}

public RootObj
{
    public List<TDecode> results { get; set; }
}

var result = JsonConvert.DeserializeObject<RootObj>(response.ResponseResult);