{
  "manageEntity": {
    "action": "Create",
    "entityId": "1108946515",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1108946515,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Hip-Hop/Rap\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"title\":\"On a qu’une vie \",\"duration\":187,\"audio_upload_id\":\"7efcf693c7f0ff0aa5a5a3c921040353\",\"track_cid\":\"baeaaaiqsebehjfbvagh6dleujzdvsyvdet6vg3wmeoxvlhkamosg2xqngezmg\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsec4afokfxrg6erimbgymrgsisamryme73aaphfas2xx5uv5mmj2e2\",\"orig_filename\":\"on-a-qu’une-vie.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":86,\"is_custom_bpm\":false,\"musical_key\":\"E flat major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":842982090,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsecgzxcm7ub5yseni2xtk3r3yarsb6kq6haz62hwf2s3zm3ufw6poe\"}}",
    "nonce": "0x84032331c0849791f5115c3340f036b86756d274468a3f742d267469532f9d66",
    "signature": "0x4fdc19401299b01dbb5da5088595fcadc8223bf0c54f622b9fbecba6c32fb73d233e4383cd4ba2c478cdd82bf235d674da297c6f7ce8f40617d6aaac027410fa1c",
    "signer": "0xb5902ac1A81A6B795210DdEB50e8F1FdaC9aed97",
    "userId": "842982090"
  }
}