/// <summary>
        /// Loads the property value from json.
        /// </summary>
        /// <param name="value">The JSON value.  Can be a JsonObject, string, number, bool, array, or null.</param>
        /// <param name="service">The service.</param>
        /// <param name="propertyBag">The property bag.</param>
        internal override void LoadPropertyValueFromJson(object value, ExchangeService service, PropertyBag propertyBag)
        {
            JsonObject jsonObject = value as JsonObject;

            if (jsonObject != null)
            {
                MeetingTimeZone meetingTimeZone = new MeetingTimeZone();
                meetingTimeZone.LoadFromJson(jsonObject, service);

                propertyBag[AppointmentSchema.StartTimeZone] = meetingTimeZone.ToTimeZoneInfo();
            }
        }