Event Subscriptions REST Endpoints

TMF 632 Party Management/Event Subscriptions
The Event Subscriptions resource lets you view, create, update, and delete event subscription records. An event subscription is a registration indicating that a particular event is significant to a particular system and specifying the processing to perform when the triggering event occurs.
Register a listener
Method: post
Path: /party/v4/hub
Unregister a listener
Method: delete
Path: /party/v4/hub/{id}