{"event_id":"EV-001","event":"page_view","timestamp":"2026-03-01T09:00:00Z","duration_ms":183,"source":"web"}
{"event_id":"EV-002","event":"search","timestamp":"2026-03-01T09:02:14Z","duration_ms":420,"source":"web","query":"report"}
{"event_id":"EV-003","event":"export","timestamp":"2026-03-01T09:04:33Z","duration_ms":null,"source":"desktop"}
{"event_id":"EV-004","event":"error","timestamp":"2026-03-01T09:08:01Z","duration_ms":37,"source":"web","severity":"warning"}
{"event_id":"EV-005","event":"sign_out","timestamp":"2026-03-01T09:12:45Z","source":"web"}