{
  "manageEntity": {
    "action": "Create",
    "entityId": "280763570",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":280763570,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Folk\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":null,\"mood\":\"Romantic\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"title\":\"It Must Be You\",\"duration\":199,\"audio_upload_id\":\"524ecc150d555628f81d64aabbd10e16\",\"track_cid\":\"baeaaaiqseb7ebgmalqt3yqpjalbv3t46f3rpauzj5duopl6r7rqf5kvzwh7ck\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsedbt25xvwjnq2mstthg7r3j3y37xox5abd3mvrs2pqdrl4rrnbhbm\",\"orig_filename\":\"It Must Be You.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":141,\"is_custom_bpm\":false,\"musical_key\":\"A flat major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":970214396,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsedukadv3idndsroa4ee2suaobmzouql4udid4rez67vcx35rtlims\"}}",
    "nonce": "0x8ad07888cc7ec96374490e42f19a7d73e516d95d2d109bf297bd51832cd951e3",
    "signature": "0xf9e398b4ebd2de4b522f9c03f8d1bd2ea04622286e6cd398494d6ee8d9e81e57759735a03c29b1cf753a28ba00bd7a1c8bb5a8ace9f6f9f09038972de3dc28ac1c",
    "signer": "0x8541894E643D02562c925b24cA4De917950B837D",
    "userId": "970214396"
  }
}