{
  "manageEntity": {
    "action": "Update",
    "entityId": "2062300552",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":2062300552,\"owner_id\":201451638,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":false},\"genre\":\"Soundtrack\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":null,\"mood\":\"Other\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"title\":\"adjusting...\",\"duration\":52,\"audio_upload_id\":\"01KDX1MY0BYJKF8085ZVPXT4DW\",\"track_cid\":\"baeaaaiqsebizn4p7kxuc732mwkkebz2izawnkyfdvpu7rek5fbog2ehlbglz4\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsec6ivbxemeua2xr4d4f7mi75dmsbgkwcmpyboo4ei4navt5hu52j6\",\"orig_filename\":\"mus_main_menu.ogg\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":110,\"is_custom_bpm\":false,\"musical_key\":\"C minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false}}",
    "nonce": "0xa018061d7c6440d846bb55ba3c4a3cf8a510c7cec3165f3679639f186e366f74",
    "signature": "0x7a0c35ae6b62bee8b52ac77fa3222196d1297ee78164331e7d6804fc7703cba84a23f7bd8bb7d80b77b9b9b705645ca007553733d6ba0eac729962589a0ccc291c",
    "signer": "0xE8F5265Fe3CDe52D4F0f15c3940B99F8e2d12cCe",
    "userId": "201451638"
  }
}