Private
https://webapi.syncroom.appservice.yamaha.com/launch_app?roomName=Hana&roomId=50f6eec9-f3a8-431c-8e55-b033d93fd920&requirePassword=1
/ セッションか、練習
https://webapi.syncroom.appservice.yamaha.com/launch_app?roomName=Hana&roomId=50f6eec9-f3a8-431c-8e55-b033d93fd920&requirePassword=1