{
 "schema_version": 1,
 "source": "vendor annotation.json (schema 2, revision 1)",
 "time_reference": "start_s / end_s: seconds from the start of the segment video, [start, end); t_start / t_end: the same bounds on the session time base (meta.json time_base, t = 0 at the first solved Body0 frame) = start_s + video_t_start",
 "primitive": "LM40",
 "instruction": "Carry the object held up above your head, walking back and forth across the room.",
 "segments": [
  {
   "id": "segment1",
   "duration_s": 128.966656,
   "video": "left_eye",
   "video_t_start": 0.0382847301635425
  }
 ],
 "episodes": [
  {
   "id": "9613fa61-d201-4be7-ae4e-29cd07aa9f1e",
   "segment": "segment1",
   "action": "LM40",
   "quality": "valid",
   "start_s": 0,
   "end_s": 122.952,
   "t_start": 0.0383,
   "t_end": 122.9903,
   "instruction": "Carry the object held up above your head, walking back and forth across the room."
  }
 ]
}