券商 API帳戶 (ND)更新擬帳帳戶更新擬帳帳戶 POST /openapi/broker/account/nd/update • 功能說明：更新客戶現有的虛擬帳戶。 Request Responses200401417500OKUnauthorized: Authentication requiredA business logic error triggered when the request cannot be processed due to domain-specific constraints.Internal Server Error.