Repeating template slides

{
  "slides": [
    {
      "template": 1,
      "section-title": "User behavior"
    },

    {
      "template": 2,
      "chart-title": "User signups: Main Product",
      "insights": "Signups are still going strong.",
      "main-chart": {
        "type": "chart",
        "labels": [
          "2020/1", "2020/2", "2020/3", "2020/4", "2020/5", "2020/6",
          "2020/7", "2020/8", "2020/9", "2020/10", "2020/11", "2020/12"
        ],
        "axis1": {
          "bounds": { "minimum": 0, "maximum": 200 },
          "series": {
            "Series-A": {
              "name": "Pattern A",
              "values": [50, 60, 71, 75, 91, 123, 135, 138, 140, 176, 187, 184]
            },
            "Series-B": {
              "name": "Pattern B",
              "values": [62, 55, 60, 91, 89, 106, 103, 125, 126, 138, 145, 139]
            }
          }
        }
      }
    },

    {
      "template": 2,
      "chart-title": "User signups: Other Product",
      "insights": "Growth is slow, especially with pattern B.",
      "main-chart": {
        "type": "chart",
        "labels": [
          "2020/1", "2020/2", "2020/3", "2020/4", "2020/5", "2020/6",
          "2020/7", "2020/8", "2020/9", "2020/10", "2020/11", "2020/12"
        ],
        "axis1": {
          "bounds": { "minimum": 0, "maximum": 200 },
          "series": {
            "Series-A": {
              "name": "Pattern A",
              "values": [20, 20, 32, 53, 58, 71, 65, 65, 98, 99, 99, 120]
            },
            "Series-B": {
              "name": "Pattern B",
              "values": [20, 20, 20, 23, 33, 27, 38, 51, 44, 36, 60, 44]
            }
          }
        }
      }
    },

    {
      "template": 1,
      "section-title": "Customer service status report"
    },

    {
      "template": 2,
      "chart-title": "Customer satisfaction",
      "insights": "",
      "main-chart": {
        "type": "chart",
        "labels": [
          "2000", "2001", "2002", "2003", "2004", "2005", "2006", "2007", "2008", "2009",
          "2010", "2011", "2012", "2013", "2014", "2015", "2016", "2017", "2018", "2019",
          "2020"
        ],
        "axis1": {
          "bounds": { "minimum": 0, "maximum": 1 },
          "format": "0%",
          "series": {
            "Series-A": {
              "name": "Customer satisfaction",
              "values": [
                0.4, 0.41, 0.45, 0.46, 0.45, 0.45, 0.52, 0.5, 0.54, 0.54,
                0.61, 0.59, 0.57, 0.66, 0.61, 0.66, 0.67, 0.68, 0.68, 0.75,
                0.72
              ]
            }
          }
        }
      }
    }
  ]
}