m3u8_url = traverse_obj(list(raw_json_ld), (..., 'subjectOf', ..., 'embedUrl'), get_all=False)
formats = self._extract_m3u8_formats(m3u8_url, media_id, 'mp4', m3u8_id='hls', fatal=False)
m3u8_url = traverse_obj(list(raw_json_ld), (..., 'subjectOf', ..., 'embedUrl'), get_all=False)
formats = self._extract_m3u8_formats(m3u8_url, media_id, 'mp4', m3u8_id='hls', fatal=False)