Preview update (execute app action)
MQTT Server
Service State update
PUB /mobile/yyyy/data/screenshot (raw data)
PUB /mobile/xxxx/data/preview (raw data)
/mobile/yyyy/data/screenshot (raw data)
MediaCenter
Mobile
/app/mediacenter/main/actions/preview (xxxx)
/app/state/main (mediacenter)
/mobile/xxxx/data/preview (raw data)
/service/state/main (tandemservice)
App State update
Execute service action
PUB /app/mediacenter/main/actions/preview (uuid:xxxx)
PUB /app/state/main (mediacenter)
PUB /service/tandemservice/main/actions/screenshot (uuid:yyyy)
Tandem Service
PUB /service/state/main (tandemservice)
/service/tandemservice/main/actions/screenshot (uuid:yyyy)
