{
  "manageEntity": {
    "action": "Update",
    "entityId": "1521968840",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1521968840,\"owner_id\":751061782,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":false},\"genre\":\"Electronic\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":null,\"mood\":\"Peaceful\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"release_date\":\"2026-05-27T07:06:00.000Z\",\"title\":\"Stressor \",\"duration\":272,\"audio_upload_id\":\"0f757d22441f3c617810e7fc1a94eafb\",\"track_cid\":\"baeaaaiqsebk6sneo5mpe3ugnfwjekh4e733symxkvn3daxvy65te472tws574\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseb6wspsrp7yzft57hveco6clwbynddpcx33pdyimlhgepmckp2fky\",\"orig_filename\":\"Stressor .wav\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":120,\"is_custom_bpm\":false,\"musical_key\":\"E flat\",\"is_custom_musical_key\":true,\"comments_disabled\":false,\"is_scheduled_release\":false}}",
    "nonce": "0x9d31d4e14eeda96d6d854b656784e36a0351ab6661a8ab8183663b7b58972482",
    "signature": "0x4106cc00a2c0e9e809f6b71a71a48f958fd425257397ddaaa2aa5bde61c65d140167cd748ea903f62f8080c60d04587a973cf19d3a1bba8789defa66064cf0df1b",
    "signer": "0x922cFe33eBCAD88842a62dA4e471f393BC78FaA1",
    "userId": "751061782"
  }
}