curl --request GET \
  --url https://api.example.com/v1/patterns/{pattern_id}/frequency \
  --header 'Authorization: Bearer <token>'

{
  "window": "<string>",
  "occurrences": [
    {
      "occurred_at": "<string>",
      "issue_id": "<string>"
    }
  ],
  "observed": [
    {
      "bucket_ts": "<string>",
      "value": 123,
      "y": 123
    }
  ],
  "forecast": [
    {
      "bucket_ts": "<string>",
      "value": 123,
      "lower": 123,
      "upper": 123
    }
  ],
  "axis": {
    "x_labels": [
      {
        "label": "<string>",
        "x": 123
      }
    ],
    "y_labels": [
      "<string>"
    ],
    "today_x": 123
  },
  "recurrence": {}
}