{
 "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": 138.966567,
   "video": "left_eye",
   "video_t_start": 0.03943655784457967
  }
 ],
 "episodes": [
  {
   "id": "a5d05fd9-dd5c-49c0-97a2-ea86698f9c8e",
   "segment": "segment1",
   "action": "SM27",
   "quality": "valid",
   "start_s": 0,
   "end_s": 71.401,
   "t_start": 0.0394,
   "t_end": 71.4404,
   "instruction": "Roll the mat up from one end, then unroll it again. Repeat at your own pace until the operator says stop."
  },
  {
   "id": "b9a9b40a-c902-4a21-b73e-b7615882d5c8",
   "segment": "segment1",
   "action": "SM27",
   "quality": "valid",
   "start_s": 72.095,
   "end_s": 131.676,
   "t_start": 72.1344,
   "t_end": 131.7154,
   "instruction": "Roll the mat up from one end, then unroll it again. Repeat at your own pace until the operator says stop."
  }
 ]
}