{
  "lead_id": "vk-lead-77821",
  "group_id": "club123456",
  "form_id": "consultation-main",
  "created_at": "2026-05-30T10:00:00+03:00",
  "name": "Олег",
  "phone": "8 (916) 555-44-33",
  "email": "oleg@example.ru",
  "utm_source": "vk",
  "utm_medium": "cpc",
  "utm_campaign": "n8n_leads",
  "utm_content": "leadform_banner",
  "ad_id": "ad-987",
  "campaign_id": "camp-321"
}