{
  "manageEntity": {
    "action": "Update",
    "entityId": "816219786",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":816219786,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":false,\"play_count\":false,\"remixes\":true},\"genre\":\"Electronic\",\"isrc\":\"\",\"is_unlisted\":true,\"iswc\":\"\",\"license\":null,\"mood\":\"Sophisticated\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"release_date\":\"2026-05-13T21:57:56.000Z\",\"tags\":\"\",\"title\":\"My People demo\",\"duration\":141,\"preview_start_seconds\":0,\"audio_upload_id\":\"01KRKXZFV0VXAB976Z2C47XFHV\",\"track_cid\":\"baeaaaiqsecu4o6flml6e4wuntjjzqfpuhrvu6lywayx7ttmljmwos7i44otno\",\"preview_cid\":\"baeaaaiqseaaktvwzltggcmamxyvyvn5ehi5cg2all5cehvs7myb6qmzdn4sq4\",\"orig_file_cid\":\"baeaaaiqsea3qtudjah3rrmbhk7zodhnkvcetmu6ha4u3svpugaalfpmoom2ms\",\"orig_filename\":\"My People groove demo.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":null,\"is_custom_bpm\":false,\"musical_key\":\"C minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":367058,\"cover_art_sizes\":\"01KSJRAKZPZPDKYYMEXHSPSVDE\"}}",
    "nonce": "0x7b9ec75d1ae5ab9910b4c0f9ee9e35d822bdad5c04e70abcd3c3e440a66ec7b9",
    "signature": "0x9ddce88f633fdc7491202e34db847ccbdade1fc1e7e70c0cabe154d085b9a014141fbec8177f0df40ed1a863f93cb36fad66cf5da1a8d2107410065d8fc20ed21c",
    "signer": "0x8507E819799240B3c02499Fee85644d36542b39E",
    "userId": "367058"
  }
}