{
  "manageEntity": {
    "action": "Create",
    "entityId": "28766624",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":28766624,\"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,\"mood\":\"Romantic\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"neon 5\",\"duration\":227,\"audio_upload_id\":\"9c6fb499344c799eab2c35577718a4b9\",\"track_cid\":\"baeaaaiqseailanlwggcdelp2ihrrymjnzdiyauzh2vqaxbl625ohe6mtbl7wa\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsearadxm2bdpyq5jkbbpwsabhsjmror4mmdc3rivyo5rjtxsgqnqzi\",\"orig_filename\":\"neon 5.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":134,\"is_custom_bpm\":false,\"musical_key\":\"D flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":257420589,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqseb5kb4wznjd4ekanviqatlv3mccgdqd4yt6bm2w5yazbly5zzye3y\"}}",
    "nonce": "0x2151deaad386eee8eb7a8106cdeea71feff41460cebc6529566338c32b7b4809",
    "signature": "0x02b90008ff69e504028a80e1573befc38fd12cc221c430c508f1a5995d4e7a167ab31a9eb4fcf59771a44ac2cf0016c910da94e7663be3cdff9b500c396e8c8e1c",
    "signer": "0xC431d7D73d636550f599A93176c46D8179Fd0fB8",
    "userId": "257420589"
  }
}