{
  "manageEntity": {
    "action": "Update",
    "entityId": "452219572",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":452219572,\"owner_id\":392916338,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":false},\"genre\":\"Pop\",\"isrc\":null,\"is_unlisted\":true,\"iswc\":null,\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"collaborators\":[],\"is_download_gated\":false,\"download_conditions\":null,\"release_date\":\"2026-10-11T16:57:39.000Z\",\"title\":\"二神由美, 前園純ノ介 - X m/s \",\"duration\":62,\"audio_upload_id\":\"072f3f9bd5ad049ded214d115eef95ab\",\"track_cid\":\"baeaaaiqsea5ur7d4ifrn5tgd4hvmaqajgoed7zumaq65fzxg45fh2kprf53dy\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsebj57zdckkdgoc7scu2gge6hvf7zn27j4tmhtj2e5xdl7irfqdvko\",\"orig_filename\":\"Xmas.mp3\",\"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 major\",\"is_custom_musical_key\":true,\"comments_disabled\":false,\"is_scheduled_release\":false}}",
    "nonce": "0x3d87a8517a833c7312492fcd26b3f98e3a5a759e08eae41742d6356a212c7d60",
    "signature": "0xe05adc62e71919ebe72ddc7984c2c60d08b5d41cdac0c7564cb24833a34312c2111f1002cb1ba08fd16b29ca4fd232cb86a15c38cf45b11c8f01b3bcc8006b5f1c",
    "signer": "0x654f1b2DCF5eE0f42af2618ba269C1C8f8327BCA",
    "userId": "392916338"
  }
}