title: Modify HttpContent (actionExecutedContext.Response.Content) in OnActionExecuted method of WebApi's ActionFilterAttribute
body: <p>My WebApi action method returns an IQueryable and I want to modify it (apply paging &amp; filtering) through an ActionFilterAttribute in Asp.Net WebApi(Not MVC).
  The following thread I got how to access the passed model :</p>
  
  <p><a href="https://stackoverflow.com/questions/16137189/net-web-api-iactionfilter-onactionexecuted-return-type">.Net Web API IActionFilter.OnActionExecuted return type</a></p>
  
  <p>but how can I change/replace the whole model with something else?</p>