{
  "externalLeadId": "LGT-123456",
  "firstName": "John",
  "lastName": "Doe",
  "phone": "9095551234",
  "email": "john.doe@example.com",
  "state": "CA",
  "bestTime": "Afternoon",
  "preferredLanguage": "English",
  "campaign": "California Solar Campaign",
  "notes": "Customer requested an afternoon callback.",
  "submittedAt": "2026-07-27T21:30:00Z"
}