{
  "manageEntity": {
    "action": "Update",
    "entityId": "206272962",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":206272962,\"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\":\"2026-10-11T14:45:25.000Z\",\"title\":\"前園純ノ介 - 帰港\",\"duration\":229,\"audio_upload_id\":\"f577778e8dbad2e370ec42bb8f4449fb\",\"track_cid\":\"baeaaaiqsededms5qnec6irlnx4gqyy5zjst3miq2ufgc2xxz2wrybeaanp3ky\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsed42xrc4dcd2n4lg4pev45jgfhrsod2lzsyinmrow4fnjxacv2vww\",\"orig_filename\":\"\\\"帰港\\\".mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":82,\"is_custom_bpm\":false,\"musical_key\":\"F major\",\"is_custom_musical_key\":true,\"comments_disabled\":false,\"is_scheduled_release\":false}}",
    "nonce": "0x41367d3c7187a2297d8b0383c52de6c1aebf008d3a75bc468ea8f18b8c78e653",
    "signature": "0x90a6526e04d54fc684a3776a6b3677dde9710ee2322d6b593b2ced0295aa72ff228f5101ae97d8217db7d256fe6e3734338b6c19f65ce3604394467c4b1b41c71b",
    "signer": "0x654f1b2DCF5eE0f42af2618ba269C1C8f8327BCA",
    "userId": "392916338"
  }
}