A presence notification delivered to a PresenceSubscription.
The raw notification body (typically application/pidf+xml).
application/pidf+xml
The Subscription-State header (e.g. active;expires=3600, terminated).
Subscription-State
active;expires=3600
terminated
Decodes the body as UTF-8 text (the PIDF XML).
A presence notification delivered to a PresenceSubscription.