{
  "lesson_id": "MKN-010",
  "dimensions": [
    "utterance_id",
    "text_version",
    "token_id",
    "char_start",
    "char_length",
    "audio_asset_ref",
    "timing_source",
    "start_ms",
    "end_ms",
    "elapsed_ms",
    "confidence",
    "cue_id",
    "drift_ms",
    "sync_state",
    "fallback_mode",
    "review_owner"
  ]
}