{
  "manageEntity": {
    "action": "Update",
    "entityId": "2140170743",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":2140170743,\"owner_id\":12728,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":false},\"genre\":\"Techno\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":\"Attribution-NonCommercial-ShareAlike CC BY-NC-SA\",\"mood\":\"Fiery\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"release_date\":\"2026-04-14T13:14:58.000Z\",\"tags\":\"\",\"title\":\"zer0\",\"duration\":231,\"audio_upload_id\":\"cc74483776c7ac1bfa487c98bb0dbfc0\",\"track_cid\":\"baeaaaiqseby4raxdnq7dxmf6btb6fauaednaqw7zeppzqjfxq7brj4aldkomu\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsecde67xaqpyrhmpejz4lnsluyojezmqkzs3a4gi5yqlg2jgnm725e\",\"orig_filename\":\"New 13 2026-04-14 1422.wav\",\"is_downloadable\":true,\"is_original_available\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":141,\"is_custom_bpm\":false,\"musical_key\":\"A flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false}}",
    "nonce": "0xe6b9e77c2080c510f4b4faac95e5c1d0ef8bba1c9cbbd8e1006d1778b696166e",
    "signature": "0x43b221aad8b5ebd895f1607ab9e16db3b119e82f469807b1ecc64b56ec5acb7f1a789df83188c2fa28617a87cfb8820a55ea7cc7b432ecb55cac503c3e5053e41c",
    "signer": "0x0Dd73e4D3bAa9c25c83FF36DdAa22F88B115b08C",
    "userId": "12728"
  }
}