{
  "manageEntity": {
    "action": "Create",
    "entityId": "758384824",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":758384824,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":false,\"play_count\":false,\"remixes\":true},\"genre\":\"Spoken Word\",\"isrc\":\"\",\"is_unlisted\":true,\"iswc\":\"\",\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"47 - Le Boyfriend - Chapitre 47\",\"duration\":567,\"audio_upload_id\":\"61ae1a4444d9c953252f72a24c0c2c0e\",\"track_cid\":\"baeaaaiqsecvwv6wmc3nuizo7rvr3ioljpqch6b7dked34w7r5jhojpaag6izu\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsecf3lspqhy2jjffipwdsomec3737ywqytww2hsx4nmon45nabpg4m\",\"orig_filename\":\"47 - Le Boyfriend - Chapitre 47.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":81,\"is_custom_bpm\":false,\"musical_key\":\"A flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":426957304,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsea24p7uhz7cyo5hdn3wwlamkwp2h666dt5cvsvkejmbdbljozjmes\"}}",
    "nonce": "0x724ae422a01d4ef601165051eff2f375b1b0da394ac5e01561ab0cf60d870d90",
    "signature": "0xcc7b31a8928873df893701d97aa62a209a3a43b99dfc50d768f05037ce69b18f78e20baab25963d303e71947e7041ff25e2e94141ce48808724e4e4f96d15a381c",
    "signer": "0xEE8e9f9CBB51aaaA47B347678D6344cfCFa29F00",
    "userId": "426957304"
  }
}