{
  "manageEntity": {
    "action": "Create",
    "entityId": "551130772",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":551130772,\"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\":\"34 - Le Boyfriend - Chapitre 34\",\"duration\":565,\"audio_upload_id\":\"8a37e90981f5f19736fb6286d5ef79fd\",\"track_cid\":\"baeaaaiqsed34e5t5oyoiyqw3g5rkqvbbyrybikd6mow3buia5rptjefitiqpa\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsecl3rbp2cmtirnnlnw4jz4oxdrplv3zmj67ahe6dqch43ncllcxdu\",\"orig_filename\":\"34 - Le Boyfriend - Chapitre 34.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":114,\"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": "0x0bb98e9240dca33b20d0416aeb546c230df73b2bd31af84da811998e6f23e935",
    "signature": "0x407d7c526739c1653a524267c1d1d28f2c3cb06b5464fd17a9c2f825c7d85322149183304a0b1450308bc0b14cacd3cb21612723895cdf463aedfe0a269e15e21b",
    "signer": "0xEE8e9f9CBB51aaaA47B347678D6344cfCFa29F00",
    "userId": "426957304"
  }
}