{
  "type": "root",
  "children": [
    {
      "type": "paragraph",
      "children": [
        {
          "type": "link",
          "data": { "url": "https://example.com/issue/42" },
          "children": [{ "type": "text", "value": "[BUG-42] crash on save" }]
        }
      ]
    }
  ]
}