{
  "data": [
    {
      "id": "menu_link_content:test4",
      "data": {
        "parent": "menu_link_content:test3"
      }
    },
    {
      "id": "menu_link_content:test",
      "data": {
        "parent": ""
      }
    },
    {
      "id": "menu_link_content:test2",
      "data": {
        "parent": "menu_link_content:test"
      }
    },
    {
      "id": "menu_link_content:test3",
      "data": {
        "parent": "menu_link_content:test"
      }
    }
  ]
}