{"characters": ["H", "o", "l", "m", "e", "s", "!"], "character_start_times_seconds": [0.0, 0.093, 0.209, 0.267, 0.313, 0.43, 0.499], "character_end_times_seconds": [0.093, 0.209, 0.267, 0.313, 0.43, 0.499, 0.789]}