GET /apps/YouTube HTTP/1.1
Host: 192.168.1.97:56789
Connection: keep-alive
Origin: package:com.google.android.youtube
User-Agent: com.google.android.youtube/13.04.55(Linux; U; Android 6.0.1; ru_RU; Redmi Note 3 Build/MMB29M) gzip
Accept-Encoding: gzip, deflate

HTTP/1.1 200 OK
Content-Type: application/xml

<?xml version="1.0" encoding="UTF-8"?>
<service xmlns="urn:dial-multiscreen-org:schemas:dial">
  <name>YouTube</name>
  <options allowStop="true"/>
  <state>running</state>
  <link rel="run" href="run"/>
</service>