{
  "manageEntity": {
    "action": "Create",
    "entityId": "512564847",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":512564847,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":false,\"play_count\":false,\"remixes\":true},\"genre\":\"Trap\",\"isrc\":null,\"is_unlisted\":true,\"iswc\":null,\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"title\":\"Last Transmission\",\"duration\":175,\"audio_upload_id\":\"506a3b692e2bcf2ae64d5459726111a6\",\"track_cid\":\"baeaaaiqsebnirss3ze6js42snojp42the7hrnwwoc7mog2ogvzkcm5ewjhnig\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsebx63fysuktjwhjcdevysn7a5dda3skj6kdad3wl6a7wwvrt4jreq\",\"orig_filename\":\"Last Transmission.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":138,\"is_custom_bpm\":false,\"musical_key\":\"F minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":392316751,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsed3xnhety5r36rcqqv7t6e5uezy6tatyrygmba5dsdpmkx5wtvqoe\"}}",
    "nonce": "0x825b01188c471929f0b4592a4d3c7ab5e6818e828008f333a14e6a448fdf23b8",
    "signature": "0x7288ed546e6e7d4d9296b6f0eefb8ce1355a2f5197ba1e929fecf4775ab1935c0e4217c6f0d20c4d2b16114d4f927ad676f1ed4ef219d394a12ee73bce5726211c",
    "signer": "0x6151d65D5f24eDf638335E276837A6e4Eb8d2012",
    "userId": "392316751"
  }
}