Visual Changeset

{
  "urlPatterns": [
    {
      "pattern": "<string>",
      "include": true
    }
  ],
  "editorUrl": "<string>",
  "experiment": "<string>",
  "visualChanges": [
    {
      "variation": "<string>",
      "domMutations": [
        {
          "selector": "<string>",
          "attribute": "<string>",
          "value": "<string>",
          "parentSelector": "<string>",
          "insertBeforeSelector": "<string>"
        }
      ],
      "description": "<string>",
      "css": "<string>",
      "js": "<string>"
    }
  ],
  "id": "<string>"
}