{
  "manageEntity": {
    "action": "Create",
    "entityId": "1825429317",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1825429317,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Experimental\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":null,\"mood\":\"Easygoing\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"567pop\",\"title\":\"[1080P Full風] 千本桜 Senbonzakura One Thousand Cherry Trees- 初音ミク Hatsune Miku DIVA English Romaji\",\"duration\":245,\"audio_upload_id\":\"76b7088a8f270cd7d01d3ec0e94ac153\",\"track_cid\":\"baeaaaiqseatcrykmwym2fdyvzfrnjpha4t7aq4xdy2ho3b7krx3erxvbeogfi\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseayty33qtbyo32oyhe64nxq57w2d5dhj5ogpfzgiu7cpb5ai6pqra\",\"orig_filename\":\"[1080P Full風] 千本桜 Senbonzakura One Thousand Cherry Trees- 初音ミク Hatsune Miku DIVA English Romaji.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":155,\"is_custom_bpm\":false,\"musical_key\":\"D minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":156528515,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqseb4qwb4xhgn2inmx36bcbblev2kjezi7spsumkgkiuwevxeu3c6gy\"}}",
    "nonce": "0x27c20bd402e644dd649f2ba7ba1dfdf6ac583acf401002ec861e8d58cc41c69c",
    "signature": "0x83185eca67b55236d2cd80692f7b771b48e1caa57e7363708fbd898b067d8c41320f4d7da610d5c083033d46fa869425224500dcaaede5b95da802934b5a985a1b",
    "signer": "0x9Bf41f645d6e166eDDdE00dAf52Aad041C867212",
    "userId": "156528515"
  }
}