{
 "level": "quiet",
 "day": 13,
 "weekday": "Sun",
 "window_utc": [
  "2021-06-06T16:02:00+00:00",
  "2021-06-06T16:42:00+00:00"
 ],
 "window_unix": [
  1622995320.0,
  1622997720.0
 ],
 "window_note": "[start, end): the end includes the last logged walk minute in full",
 "walked_utc": "16:02-16:41",
 "walks": 12,
 "walked_m": 940,
 "present": "about 9 tracks present",
 "live_rate_hz": 2.5,
 "live_source": "live tracklet log",
 "walkers": 1,
 "note": ""
}