{
  "template_id": "T1",
  "pattern": "short_rr_then_long_pac",
  "center_ms": 12320.0,
  "start_ms": 11805.0,
  "end_ms": 12380.0,
  "duration_ms": 575.0,
  "window_kind": "short_rr_with_60ms_margins",
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}