curl --request GET \
  --url https://api.utage-system.com/v1/funnels/{funnel_id}/steps/{step_id}/pages/{page_id} \
  --header 'Authorization: Bearer <token>'

{
  "data": {
    "id": "<string>",
    "funnel_id": "<string>",
    "step_id": "<string>",
    "title": "<string>",
    "page_title": "<string>",
    "html_source": "<string>",
    "elements": [
      {}
    ],
    "meta_title": "<string>",
    "meta_description": "<string>",
    "meta_og_image": "<string>",
    "pc_width": 123,
    "background_color": "<string>",
    "background_image_src": "<string>",
    "js_head": "<string>",
    "js_body_top": "<string>",
    "js_body": "<string>",
    "css": "<string>",
    "popup_width": 123,
    "popup_background_color": "<string>",
    "popup_elements": [
      {}
    ],
    "step_url": "<string>"
  }
}