curl --request GET \
  --url https://api.member.dev/v1/hubs/{hub_id}/drip-campaigns/{campaign_id}/enrollments \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "attributes": {
        "campaign_id": "<string>",
        "completed_at": "<string>",
        "contact_id": "<string>",
        "current_step_position": 123,
        "enrolled_at": "<string>",
        "exit_reason": "<string>",
        "hub_id": "<string>",
        "next_send_at": "<string>",
        "pause_reason": "<string>",
        "status": "<string>",
        "team_id": "<string>"
      },
      "id": "<string>",
      "type": "<string>",
      "links": {
        "self": "<string>"
      },
      "meta": {},
      "relationships": {}
    }
  ],
  "included": [
    "<unknown>"
  ],
  "links": {
    "next": "<string>",
    "self": "<string>"
  },
  "meta": {}
}