{
  "manageEntity": {
    "action": "Create",
    "entityId": "456237714",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":456237714,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":false,\"play_count\":false,\"remixes\":true},\"genre\":\"Spoken Word\",\"isrc\":null,\"is_unlisted\":true,\"iswc\":null,\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"title\":\"16 - Celle qui sait - Chapitre 16\",\"duration\":321,\"audio_upload_id\":\"3983a691d670b5070c7315af8667bc07\",\"track_cid\":\"baeaaaiqseceptzpqrqbmy3wa44mmjyyqyfmz352qzkna5oqxx4bxyyethu2ng\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsecodz3koc3lb2dnsqedfjur6htd4nr5ytcu4rvubqpnovk7yvaano\",\"orig_filename\":\"16 - Celle qui sait - Chapitre 16.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":89,\"is_custom_bpm\":false,\"musical_key\":\"E minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":426957304,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsedpllciels4gn5wwxobluvyza7fjha2pwdh5egntnmgsncyuqa7gu\"}}",
    "nonce": "0x027b472791096223434e63e2d4f857a78a0e27c3b583bc9c58be10b88c0d2d80",
    "signature": "0x155a6474ea1a91ee37ef080fabbb646be120819b31511ee6f81155377c22406c369630b2f9f146c9e25c7b11f3bf7afbf12e68cebcea4d9364086cf2d83f2ce61c",
    "signer": "0xEE8e9f9CBB51aaaA47B347678D6344cfCFa29F00",
    "userId": "426957304"
  }
}