grafana/pkg/tsdb/loki/testdata_metric_dataplane/matrix_name.json

{
  "status": "success",
  "data": {
    "resultType": "matrix",
    "result": [
      {
        "metric": {
          "level": "error",
          "__name__": "moon"
        },
        "values": [
          [1639125366.989, "0.4"]
        ]
      }
    ]
  }
}