I'm not sure if this is a correct reply as it seems straightforward to me, but did you have a look at
http://nodejs.org/api/http.html#http_http_incomingmessage?
Request is instance of the above object. By the way, if you really want to see what's inside that object with "brute force," you should not parse it, as it will not be a JSON string at all, but instead do something like:
for (i in request) {
//Your code here
}
Hope it helps.