{
  "manageEntity": {
    "action": "Create",
    "entityId": "497909321",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":497909321,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":false,\"play_count\":false,\"remixes\":true},\"genre\":\"World\",\"isrc\":\"\",\"is_unlisted\":true,\"iswc\":\"\",\"license\":null,\"mood\":\"Sentimental\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"Colectora Gral Paz\",\"duration\":167,\"audio_upload_id\":\"90e01a4d4f2a801a5156793bfdde48fd\",\"track_cid\":\"baeaaaiqsebhpc3iuuzlkv4i3lbsk5hlfaffnpkd3ca2crd4uovf6zb2ffidbs\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseajl5klegnkxqqvxu6k3dypkijj642wlyzev7zapfyppbth62hjlu\",\"orig_filename\":\"Colectora Gral Paz.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":122,\"is_custom_bpm\":false,\"musical_key\":\"D minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":580390927,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsecu2sastoat2jom72o2cpi4dxrcm7udhh5mxdlrtwcb5krztehwci\"}}",
    "nonce": "0x827510e17ce37b7c767c0ea9ca4116981a40af7646f709f880e9e65da5285b02",
    "signature": "0x8a79d7e791c159d443ac6a84492128e79ebb0baa5fa6003a0895dbf4ce62f19415f50667415f83ab502ba447f52f3127d8f9c87dcf5c7f3cfad3be104650b0931c",
    "signer": "0xC40De4D2dfD15fe850077167aa3146eE60cEB4D2",
    "userId": "580390927"
  }
}