{
  "event": "send_invoice_email",
  "recipient_email": "client@example.com",
  "recipient_name": "Ирина",
  "template_name": "invoice_paid_ru",
  "subject": "Счёт оплачен — доступ открыт",
  "order_id": "ord-10492",
  "crm_deal_id": "deal-5581",
  "variables": {
    "amount": "12900.00",
    "currency": "RUB",
    "login_url": "https://example.ru/login"
  },
  "source": "crm",
  "locale": "ru"
}