Return a user count for items related to a user.

Returning user notification object

Name	Description
id	The unique id of the notification.
notification_id	The id of the notification. This could be a case number, article, company, contact, etc ..
notification_id_type	This is the type of id that is being referenced. 1 = Activity id 2 = Case id 3 = Article id 4 = Contact id 5 = Company id 6 = Twitter handle id 7 = System message id 8 = Message id
type	The type of notification that has occurred. 1 = System wide message 2 = User notification 3 = Case watcher notification 4 = Company watcher notification 5 = Contact watcher notification 6 = Queue watcher notification 7 = Article watcher notification 8 = Forum watcher notification 9 = Team message 10 = Global message 11 = Twitter handle notification
message	The notification content.
created	The date the notification was sent.
created_unix	The date the notification was sent as a UNIX time stamp.
ago	The time difference as a readable string since the notification was received.