[
  {
    "type": "block-dirty-bitmap-add",
    "data": {
      "node": "target_node",
      "name": "target-bitmap-name",
      "persistent": false,
      "disabled": true,
      "granularity": 65536
    }
  },
  {
    "type": "block-dirty-bitmap-merge",
    "data": {
      "node": "target_node",
      "target": "target-bitmap-name",
      "bitmaps": [
        {
          "node": "libvirt-1-format",
          "name": "current"
        }
      ]
    }
  }
]