It's a semi legit so it depends on the girl. A decent massage is the priority, followed by some fun. You can get anything from just a HJ all the way up to a body slide. If you have some skill or have built up some rapport, you might get more
You're comparing apples and oranges. If you're going to use a body rub as your standard, then compare it to other body rubs or holistic spas. At those places the extras are the main course and the "massage" is just a formality.