curl --request GET \
  --url https://api.notiline.net/v1/campaign/{id} \
  --header 'Authorization: Bearer <token>'

{
  "status": 200,
  "message": "succès",
  "data": {
    "id": "1",
    "lot": "CAMPAIGNE_123456",
    "title": "Campagne de test",
    "message": "Bonjour le monde!",
    "send_at": "2023-02-15T12:00:00.000000Z",
    "contacts": [
      {
        "id": "1",
        "phone_number": "+2250709538217"
      }
    ],
    "group": {
      "id": "1",
      "name": "Clients VIP"
    }
  }
}