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

{
  "data": {
    "attributes": {
      "allow_reenrollment": true,
      "created_at": "<string>",
      "created_by": "<string>",
      "deleted_at": "<string>",
      "description": "<string>",
      "enrollment_mode": "<string>",
      "hub_id": "<string>",
      "name": "<string>",
      "next_segment_check_at": "<string>",
      "segment_check_interval_minutes": 123,
      "segment_id": "<string>",
      "status": "<string>",
      "team_id": "<string>",
      "trigger_event_type": "<string>",
      "updated_at": "<string>"
    },
    "id": "<string>",
    "type": "<string>",
    "links": {
      "self": "<string>"
    },
    "meta": {},
    "relationships": {}
  },
  "included": [
    "<unknown>"
  ],
  "links": {
    "self": "<string>"
  },
  "meta": {}
}