anchor.diff:          {
               "message": "Success",
               "username": "Request username",
  -            "rooms": [
  -                {
  -                    "name": "Name of studyroom",
  -                    "left": "number of left seats",
  -                    "used": "number of used seats"
  +            "areas": [
  +                {
  +                    "name": "Name of study area",
  +                    "left": number of left seats,
  +                    "used": number of used seats
                   }
               ]
           }
positive.code:             ]
          }
  
  + Response 412 (application/json)
  
          {
              "message": "Failure",
  
negative.code:             "username": "Request username",
              "existed": "true/false",
              "information": {
                  "studentnumber": Stundent number,
                  "department": "Department",
                  "position": "undergrate/master/doctor/teacher",
                  "email": "Email",
  