{
 "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": "SM27",
 "instruction": "Roll the mat up from one end, then unroll it again. Repeat at your own pace until the operator says stop.",
 "segments": [
  {
   "id": "segment1",
   "duration_s": 130.899956,
   "video": "left_eye",
   "video_t_start": 0.04011286966601181
  }
 ],
 "episodes": [
  {
   "id": "fd89da2a-b92c-4e60-926b-4480d20c8575",
   "segment": "segment1",
   "action": "SM27",
   "quality": "valid",
   "start_s": 2.188,
   "end_s": 72.064,
   "t_start": 2.2281,
   "t_end": 72.1041,
   "instruction": "Roll the mat up from one end, then unroll it again. Repeat at your own pace until the operator says stop."
  },
  {
   "id": "4b418afd-db27-4181-a14e-599d26eb7c21",
   "segment": "segment1",
   "action": "SM27",
   "quality": "valid",
   "start_s": 72.064,
   "end_s": 126.408,
   "t_start": 72.1041,
   "t_end": 126.4481,
   "instruction": "Roll the mat up from one end, then unroll it again. Repeat at your own pace until the operator says stop."
  }
 ]
}