{
  "action_type": "login",
  "user_id": "user-12345",
  "session_id": "sess-abc123",
  "context": {
    "ip": "203.0.113.42",
    "user_agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36",
    "coordinates": {
      "latitude": 37.7749,
      "longitude": -122.4194
    }
  }
}