https://51.ru/exchange/2026-08-04T07:12:14.643893604Zhttps://51.ru/exchange/usd/2026-08-04T07:12:14.643908395Zhttps://51.ru/exchange/eur/2026-08-04T07:12:14.643909598Zhttps://51.ru/exchange/cny/2026-08-04T07:12:14.643910432Z