curl -i -X GET "https://api.box.com/2.0/hub_document_blocks?hub_id=12345&page_id=d97f7c26-0d9b-42a1-a00d-6e6db9619e0f" \
     -H "box-version: 2025.0" \
     -H "authorization: Bearer <ACCESS_TOKEN>"

{
  "entries": [
    {
      "id": "c9588f08-22d7-4d17-8ca9-f1e61c98c0bd",
      "type": "section_title",
      "parent_id": "d97f7c26-0d9b-42a1-a00d-6e6db9619e0f",
      "fragment": "This is the section title"
    },
    {
      "id": "721d97d7-ac8a-4e5e-adb6-ef11af4e6d9e",
      "type": "item_list",
      "parent_id": "d97f7c26-0d9b-42a1-a00d-6e6db9619e0f"
    }
  ],
  "type": "document_blocks",
  "limit": 1000,
  "next_marker": null
}