Field	Type	Index	Description	Example
buildingCode	string	Yes	Building code of the building where the computer room locates	"buildingCode": "E6"
lastUpdate	date	Yes	Date time which the record is collected	"lastUpdate": "2018-03-23T15:17:00+08:00"
roomNo	string	Yes	Room Number of the room where the PC locates	"roomNo": "3092"