curl --request GET \
  --url 'https://memberkit.com.br/api/v1/users/{user_id}/activities?api_key='

[
  {
    "id": 123,
    "course_id": 123,
    "lesson_id": 123,
    "trackable_type": "<string>",
    "trackable": {},
    "created_at": "2023-11-07T05:31:56Z"
  }
]