{
  "manageEntity": {
    "action": "Create",
    "entityId": "648869671",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":648869671,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Latin\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"mood\":\"Romantic\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"reggaeton\",\"title\":\"Cuento de Amor\",\"duration\":163,\"audio_upload_id\":\"de661b955ae8cfcf2bf853b539659e27\",\"track_cid\":\"baeaaaiqsebfmqxxcyl64thma7hj6cizg2763eictiygumeszeixyau542s5e4\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseaxqgxiqbvqdq7phg6sg7dysqqryj6c6u4iqt6enxzbkbype5d7qq\",\"orig_filename\":\"cuento-de-amor.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":94,\"is_custom_bpm\":false,\"musical_key\":\"B flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":260849,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqseabjlvgyvjr5acnxerhyk7gvn7rb54t4wnwttc36d73b7lckkrvvm\"}}",
    "nonce": "0x190e1f01dbeea6e2c18d856ae08caaab64c8aea1a896c6c8e93a5218dd31ca8d",
    "signature": "0xe40deb8f53e79fe07bf2ff48946e2b5f87b1ae3d4e0b1afd33be734c772632aa411ddf09fd7d6ad51542a5226e4f386d77b8b98ceb64cf34db0ea71f45fd6a811b",
    "signer": "0xC965eCf215DC75172bD11e8E1dbE76EDd838886e",
    "userId": "260849"
  }
}