curl --request GET \
  --url https://api.notion.com/admin/v1/legal_holds \
  --header 'Authorization: Bearer <token>' \
  --header 'Notion-Version: <notion-version>'

{
  "legal_holds": [
    {
      "created_by": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "created_time": 123,
      "id": "<string>",
      "start_date": 123,
      "user_interaction_type": [],
      "users": {
        "ids": [
          "3c90c3cc-0d44-4b50-8888-8dd25736052a"
        ],
        "total": 123
      },
      "workspaces": {
        "ids": [
          "3c90c3cc-0d44-4b50-8888-8dd25736052a"
        ],
        "total": 123
      },
      "description": "<string>",
      "end_date": 123,
      "icon": "<string>",
      "name": "<string>"
    }
  ],
  "next_cursor": "<string>"
}