https://github.com/chr15m/media-remote/blob/master/SNIFF.md
# get commands
curl -H "X-CERS-DEVICE-ID:MediaRemote:XX-XX-XX-XX-XX-XX" sony.fritz.box/cers/api/getRemoteCommandList
curl -H "X-CERS-DEVICE-ID:MediaRemote:XX-XX-XX-XX-XX-XX" --data '<?xml version="1.0"?>
AAAAAgAAABoAAAB5Aw==
' sony.fritz.box/IRCC
curl -H "X-CERS-DEVICE-ID:MediaRemote:XX-XX-XX-XX-XX-XX" --data '<?xml version="1.0"?>
AAAAAgAAAJcAAAAoAw==
' sony.fritz.box/IRCC