To override the Content-type in your clients, use the HTTP Accept Header, append  the .other suffix or  ?format=other
        
        HTTP + OTHER
         The following are sample HTTP requests and responses. 
            The placeholders shown need to be replaced with actual values.
PUT /customers/{CustomerId} HTTP/1.1 
Host: blazor-gallery.servicestack.net 
Accept: text/jsonl
Content-Type: text/jsonl
Content-Length: length
{"customerId":0,"firstName":"String","lastName":"String","company":"String","address":"String","city":"String","state":"String","country":"String","postalCode":"String","phone":"String","fax":"String","email":"String","supportRepId":0}
 
HTTP/1.1 200 OK
Content-Type: text/jsonl
Content-Length: length
{"id":"String","responseStatus":{"errorCode":"String","message":"String","stackTrace":"String","errors":[{"errorCode":"String","fieldName":"String","message":"String","meta":{"String":"String"}}],"meta":{"String":"String"}}}