{
  "endTime": "2013-06-26T10:05:07.630-07:00",
  "id": "3681664092089171723",
  "insertTime": "2013-06-26T10:05:03.271-07:00",
  "kind": "compute#operation",
  "name": "operation-setCommonInstanceMetadat",
  "operationType": "insert",
  "progress": 100,
  "selfLink": "https://www.googleapis.com/compute/v1/projects/project_name/global/operations/operation-setCommonInstanceMetadata",
  "startTime": "2013-06-26T10:05:03.315-07:00",
  "status": "DONE",
  "targetId": "16211908079305042870",
  "targetLink": "https://www.googleapis.com/compute/v1/projects/project_name/setCommonInstanceMetadata",
  "user": "foo@developer.gserviceaccount.com"
}