{
  "manageEntity": {
    "action": "Create",
    "entityId": "1236820510",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1236820510,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Electronic\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"next up_11\",\"duration\":181,\"audio_upload_id\":\"df3bd71e3259c6b231589af1bb0fe19f\",\"track_cid\":\"baeaaaiqsebyd4ipfwimusep6xwnolevmiupbm7s7i7lkizsiaorqtodamuxn4\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseallzzsgvetsbnzaqg2frwkrrct6ntegmapjxzwstypy3niv3bmto\",\"orig_filename\":\"next up_11.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":140,\"is_custom_bpm\":false,\"musical_key\":\"D flat major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":8694669,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebprym3kv5pifptrira5l2haxzhnmvs4c3ha7v4htjblnrrmcpikc\"}}",
    "nonce": "0x74bc4075892b758aa026a08d03c3e7954d8b2ad39ec73e8c11eb3e647258d8c8",
    "signature": "0x125689c5e667a017d83eb14ed4bb0ffc9278f4fc264819e0605b482e125617d11ed5ddfcdf847af090099bf593fab6fa3a448dbf428dd5c164a43d84bf1fa7af1c",
    "signer": "0x0c5Aa954a53936B52eB9ECDBf21850214D89DCBa",
    "userId": "8694669"
  }
}