{
  "email": "sarah@domain.com",
  "name": "Sarah W",
  "phone": "+1 987 654 3210",
  "company": "Tech Innovations",
  "job_title": "Product Manager",
  "linkedin_url": "https://linkedin.com/in/sarahw",
  "list_id": "list-1234",
  "is_subscribed": true,
  "additional_info": {
    "industry": "SaaS",
    "tier": "Premium"
  }
}

{
  "success": true,
  "data": {
    "id": "88de-12bc",
    "email": "sarah@domain.com"
  },
  "message": "Subscriber created and synchronized successfully."
}