{
 "level": "moderate",
 "day": 1,
 "weekday": "Tue",
 "window_utc": [
  "2021-05-26T00:39:00+00:00",
  "2021-05-26T01:27:00+00:00"
 ],
 "window_unix": [
  1621989540.0,
  1621992420.0
 ],
 "window_note": "[start, end): the end includes the last logged walk minute in full",
 "walked_utc": "00:39-01:26",
 "walks": 12,
 "walked_m": 932,
 "present": "about 70 tracks present",
 "live_rate_hz": 1.3,
 "live_source": "live tracker replayed at the live tick cadence (no live log was recorded for this session)",
 "walkers": 1,
 "note": "route B was also walked three times (00:39-00:44 UTC); it is not a benchmark route"
}