with the help of one of our developers, I got it to work perfectly. Instead of stringify, we used the array and looped through it looking for the particular parameter. I'm sure there is more elegant ways of accomplishing it but this is a great start.
Thanks for all your help!

paramArray = Object.keys(req.context.http.query) for (i=0; i < paramArray.length; i++){ var key = paramArray[i] if(key === "firstparam"){ FirstParam = req.context.http.query[key] } else if (key === "secondparam"){ SecondParam = req.context.http.query[key] } }