{
  "manageEntity": {
    "action": "Update",
    "entityId": "1958696611",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1958696611,\"owner_id\":647026554,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":false},\"genre\":\"Pop\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":null,\"mood\":\"Sentimental\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"collaborators\":[],\"is_download_gated\":false,\"download_conditions\":null,\"release_date\":\"2026-07-23T11:35:58.000Z\",\"title\":\"ドアは開く(Door Opens)\",\"duration\":268,\"audio_upload_id\":\"9de5e44c3cc8cb8b95ab1e6a33af4561\",\"track_cid\":\"baeaaaiqsebhxa3hp2spzrfs776j34xbsxjdgq3ji2ipvs7vo47emf42hs7bsg\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsedc3lchvg6f25gxddwoqkceynclk23lx2464eldjihf45wks7zqni\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":111,\"is_custom_bpm\":false,\"musical_key\":\"F minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false}}",
    "nonce": "0x8d62b7df210305360efbcb7e4e2ab8755f1be16148d7b4ca3bd013764ce61f98",
    "signature": "0x5f6a77a530af9a57e30bf38d1130803dd8f8ee25623686a4fd357b3e074df7c93fbf09ec29df4b71039d4ac2c7a70237ed8d43985a3bd6922a542c1bb8012e441c",
    "signer": "0x4097Bed3BF00BE4CA35d1DC8B4392F02B69C39dD",
    "userId": "647026554"
  }
}