document:
  nodes:
      - object: block
        type: ul_list
        nodes:
            - object: block
              type: list_item
              nodes:
                - object: block
                  type: paragraph
                  nodes:
                    - object: text
                      leaves:
                        - text: ""
            - object: block
              type: list_item
              nodes:
                - object: block
                  type: paragraph
                  nodes:
                    - object: text
                      leaves:
                        - text: Hello World