{"commands": [
  {"command": "sketch.create", "params": {"plane": "XY", "name": "Circle"}},
  {"command": "sketch.equation_curve", "params": {"x": "20 * cos(t)", "y": "20 * sin(t)", "start": 0, "end": "2 * pi"}},
  {"command": "sketch.finish", "params": {}},
  {"command": "view.apply", "params": {"view": "top"}}
]}