{
  "utterance_id": "UTT-02",
  "text_version": "TXT-v4-human",
  "audio_text_version": "TXT-v4-human",
  "token_id": "seg-03",
  "char_start": 31,
  "char_length": 18,
  "audio_asset_ref": "human-v4.wav",
  "timing_source": "FORCED_ALIGNMENT+TIMED_TEXT_CUE",
  "start_ms": 2410,
  "end_ms": 3290,
  "elapsed_ms": 2410,
  "confidence": 0.78,
  "cue_id": "cue-h03",
  "drift_ms": 96,
  "sync_state": "LOW_CONFIDENCE_CHANGED_SEGMENT",
  "fallback_mode": "CUE",
  "review_owner": "speech-qa",
  "timebase": "AUDIO_START_MS",
  "browser_boundary_supported": false,
  "browser_boundary_granularity": "NONE",
  "boundary_fields_supported": false,
  "alignment_available": true,
  "segment_requires_fallback": false,
  "changed_segment": "paraphrased_phrase",
  "previous_audio_asset_ref": "tts-A-v3.wav",
  "unchanged_segments_revalidated_against_current_audio": false,
  "old_absolute_timing_reuse": true,
  "baseline_oracle_reuse": false
}