curl --location 'https://api.yonyouup.com/api/purchasereceipt/unverify?from_account=undefined&to_account=undefined&app_key=undefined&token=undefined' \
--header 'Content-Type: application/json' \
--data '{
"purchasereceipt":{
"voucher_code":"0000000019"
}
}'{
"errcode": "string",
"errmsg": "string"
}