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| Action | Intended User | URI | Method | Request Params | Request Body | Response Body | |
|---|---|---|---|---|---|---|---|
| 1 | subscribe to an objecta topic | Synapse users who has READ permission on the object | /subscriptions | POST | Subscription | Subscription | |
| 2 | retrieve subscriptions for a list of objectstopics | Synapse users | /subscriptions | PUT | List<Topic> | SubscriptionPage | |
| 3 | unsubscribe to an objecta topic | Synapse users who subscribed to the object | /subscriptions/unsubscribe/{objectId}/type/{objectType} | DELETE | |||
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