{"discountCards"=>[{"cardCompany"=>"우리", "companyCode"=>"33", "discountCode"=>"26166", "dueDate"=>"2023-10-31", "minimumPaymentAmount"=>20000, "maximumPaymentAmount"=>999999999, "balance"=>20690000, "discountAmount"=>1000}] ...}
{"discountCards"=>[{"cardCompany"=>"우리", "companyCode"=>"33", "discountCode"=>"26166", "dueDate"=>"2023-10-31", "minimumPaymentAmount"=>20000, "maximumPaymentAmount"=>999999999, "balance"=>20690000, "discountAmount"=>1000}] ...}