{
  "manageEntity": {
    "action": "Update",
    "entityId": "1262979164",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1262979164,\"owner_id\":392916338,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":false},\"genre\":\"Pop\",\"isrc\":null,\"is_unlisted\":true,\"iswc\":null,\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"collaborators\":[],\"is_download_gated\":false,\"download_conditions\":null,\"release_date\":\"2026-10-11T17:31:45.000Z\",\"title\":\"前園純ノ介 - 人面耳ニッツ・チャプチェ \",\"duration\":47,\"audio_upload_id\":\"e32d38b69db3ceb6308677622cb0c5b6\",\"track_cid\":\"baeaaaiqsedvgfq7epaxgfucye6e62iwsfmws5avjxao7uupyvbcxsved7uewe\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseajp5hfghinuvlrvxhzmipeqwqgpyi3gr6uehxjmkybclas23gidc\",\"orig_filename\":\"⭐️人面図鑑#01 - 人面耳ニッツ・チャプチェ「わたしはグレイ」.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":93,\"is_custom_bpm\":false,\"musical_key\":\"E flat\",\"is_custom_musical_key\":true,\"comments_disabled\":false,\"is_scheduled_release\":false}}",
    "nonce": "0x31b43e680f39030a3cefa20b308c5da978e731ac0979216cfad1ac9775285d15",
    "signature": "0x5a492934f4821c85fae0ca7d3abb89ac773eccf743057734824633fc485b36df1a808403317955ee4a0e72721d68e57e875da5f0ed7389114e490578606bc8aa1b",
    "signer": "0x654f1b2DCF5eE0f42af2618ba269C1C8f8327BCA",
    "userId": "392916338"
  }
}