The Subscription entity contains the information and metadata for a Person's Subscription to a Subscription List.
The following shows the JSON representation of a Subscription entity within the APIs.
Person reference information for the Subscription.
Subscription List object reference information for the Subscription.
Time reference of when the Subscription was entered. It should be in the ISO 8601 format - for example: 2017-01-15T15:34Z.
The Acquisition Campaign reference to indicate how the Subscription was created.
A reference URL to the existing object, as a relative URL to the existing domain.