* @field reporter: The station id of the reporter of the particular space. Shall be filled if the reporter is not the same as the sender.
*
* @field estimatedArrivalTime: The estimated time of arrival to the parking space.
*
* @field estimatedDepartureTime: The estimated time of departure from the parking space. This field is used to indicate that the sender vehicle is about to leave the parking space.
* @field estimatedActionTime: The estimated time of completion of the intent (e.g., arrival or departure time).