[
  {
    "alias": "",
    "bucketAggs": [
      {
        "field": "testtime",
        "id": "2",
        "settings": {
          "interval": "1m"
        },
        "type": "date_histogram"
      }
    ],
    "datasource": {
      "type": "elasticsearch",
      "uid": "uid"
    },
    "datasourceId": 42,
    "metrics": [
      {
        "field": "counter",
        "id": "1",
        "settings": {
          "percents": [
            "25",
            " 75"
          ]
        },
        "type": "percentiles"
      }
    ],
    "query": "",
    "refId": "A"
  }
]