Resting heart rate during training

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  "schemaVersion": 1,
  "type": "time",
  "title": "Resting heart rate during training",
  "source": "Sample data",
  "showValues": false,
  "panes": [
    {
      "valueAxis": {
        "title": "Beats per minute"
      },
      "layers": [
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              "time": "2026-03-03",
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            },
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              "time": "2026-03-04",
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              "time": "2026-03-06",
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              "time": "2026-03-21",
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              "time": "2026-04-13",
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              "time": "2026-04-18",
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              "time": "2026-04-20",
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              "time": "2026-04-23",
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