0NOTIFY * HTTP/1.1
HOST: 239.255.255.250:1900
CACHE-CONTROL: max-age=1800
LOCATION: http://192.168.1.10:49152/tvdevicedesc.xml
NT: urn:schemas-upnp-org:service:tvcontrol:1
NTS: ssdp:alive
USN: uuid:Upnp-TVEmulator-1_0-1234567890001::urn:schemas-upnp-org:service:tvcontrol:1

