If you are actively seeking this service, here is practical advice:
If you are looking for a "draft" or summary of what a scene like this usually entails, it typically follows a standard procedural format:
The massage began with Kateřina applying gentle pressure to Emma's scalp, using long strokes to ease tension in her neck and shoulders. Emma felt her muscles start to relax as Kateřina worked her way down to her lower back, using a combination of circular motions and gentle tapping.