HTTP + XML
         The following are sample HTTP requests and responses. 
            The placeholders shown need to be replaced with actual values.
POST /xml/reply/CustomerAccountSubscription HTTP/1.1 
Host: 7el.co 
Content-Type: application/xml
Content-Length: length
<CustomerAccountSubscription xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://schemas.datacontract.org/2004/07/PortaPlus2.API.Web.Dto">
  <ContentId>0</ContentId>
  <FeatureName>String</FeatureName>
  <License>String</License>
  <DeleteSubscription>false</DeleteSubscription>
  <IAccount>0</IAccount>
  <ICustomer>0</ICustomer>
  <ISubscription>0</ISubscription>
</CustomerAccountSubscription>
 
HTTP/1.1 200 OK
Content-Type: application/xml
Content-Length: length
<CustomerAccountSubscriptionResponse xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://schemas.datacontract.org/2004/07/PortaPlus2.API.Web.Dto">
  <SubscriptionAdded>false</SubscriptionAdded>
</CustomerAccountSubscriptionResponse>