Subscribe a single user to a list

PUT
/lists/:list_id/subscriptions/:user_id
Subscribe a user to an existing list (note: if the List does not exist, it will be automatically created).

Path parameters

list_idstringRequired
A unique identifier representing the list you wish to retrieve.
user_idstringRequired
A unique identifier representing the recipient associated with the list

Request

This endpoint expects an object.
preferencesobjectOptional