curl --request GET \
  --url https://api.utage-system.com/v1/funnels/{funnel_id}/trackings/stats \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "tracking_id": "<string>",
      "name": "<string>",
      "pv": 123,
      "uu": 123,
      "registration_count": 123
    }
  ]
}