{
  "manageEntity": {
    "action": "Update",
    "entityId": "157153129",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":157153129,\"owner_id\":222528533,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":false,\"play_count\":false,\"remixes\":false},\"genre\":\"Electronic\",\"isrc\":\"\",\"is_unlisted\":true,\"iswc\":\"\",\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"release_date\":\"2025-11-21T04:01:53.000Z\",\"tags\":\"\",\"title\":\"Tesseract\",\"duration\":123,\"audio_upload_id\":\"01KAJ961ET2SMPFW23KY33W73M\",\"track_cid\":\"baeaaaiqsedqu6zowfr5wfhuno2lowadljqtfnh7yyza2t65d3fzpvnw5t2yzs\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseb7xgetbdxj6ayxuriofd4voj7vkxzsq6orqxuwqrakrcwz377p64\",\"orig_filename\":\"2.1 126 fg_2.wav\",\"cover_art_sizes\":\"baeaaaiqsecp73wnxhz32ugqt26qa2g2r5vlv4j4f6amavkj4brzwd2q25vjrq\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":132,\"is_custom_bpm\":false,\"musical_key\":\"G minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false}}",
    "nonce": "0x95a708d9b2c48f24db9a65d7951951f8a915a381931e84e5aeb6a11d375eef34",
    "signature": "0xa03449717861f6c87b660252b70b8155e14cf66f60c3a10dc0a52671f921a1cb76c7048c549456cd9628e28ad3682a1d3713ded96a586080a60c85455fc90ea21b",
    "signer": "0xe4e49495bC4B0efbBC38E0F3C3Adca2A17bbF71d",
    "userId": "222528533"
  }
}