{
  "partnerId": "partner-123",
  "partnerSecret": "your-shared-secret",
  "clientId": "device-session-abc123",
  "sentAt": 1718000000000,
  "type": "identify",
  "context": {
    "name": "simon.js",
    "version": "2.0.0",
    "userAgent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7)",
    "url": "https://example.com/account/login"
  },
  "userId": "user-456",
  "traits": {
    "email": "jane.doe@example.com",
    "firstName": "Jane",
    "lastName": "Doe",
    "userName": "janedoe",
    "properties": {
      "loyaltyTier": "gold",
      "preferredChannel": "email"
    }
  }
}