GET:
  https://sheets.googleapis.com/v4/spreadsheets/fake_spreadsheet_id1?fields=sheets.properties(index%2CgridProperties.rowCount):
    response: |
      {
        "sheets": [
          {
            "properties": {
              "index": 0,
              "gridProperties": {
                "rowCount": 1000
              }
            }
          }
        ]
      }