Field	Type	Indexed	Description	Example
datetime	date	Yes	Record Date time of the shuttle bus arrived at the station	"datetime": "2018-09-27T22:19:53.000+08:00"
vehiclePlateNumber	string	Yes	The vehicle plate number	"vehiclePlateNumber": "MU-78-53"
station	string	Yes	The name of the shuttle bus station	"station": "行政樓"