public static void Main()
var dto = JsonConvert.DeserializeObject<ContentApiModel>(@"{'CreatedDate':'2018-01-22T11:18:00.8820874+00:00','LastModifiedDate':'2017-12-06T09:22:22.6865867+00:00'}");
public class ContentApiModel
public DateTimeOffset? CreatedDate { get; set; }
public DateTimeOffset? LastModifiedDate { get; set; }