{
  "phone_number": "+1234567890",
  "campaign_id": 1,
  "variables": [
    {
      "customer_name": "John Doe",
      "email": "john.doe@example.com"
    }
  ],
  "allow_dupplicate": false
}

{
  "message": "Lead created successfully",
  "data": {
    "id": "1234569"
  }
}