Tunnel de conversion

{
  "stages": [
    {
      "count": 150,
      "stage": "created",
      "conversion_pct": 100
    },
    {
      "count": 142,
      "stage": "uploaded",
      "conversion_pct": 95
    },
    {
      "count": 98,
      "stage": "opened",
      "conversion_pct": 69
    },
    {
      "count": 75,
      "stage": "downloaded",
      "conversion_pct": 77
    }
  ],
  "range_days": 30,
  "dropoff_points": [
    {
      "to": "opened",
      "from": "uploaded",
      "lost": 44,
      "reason_hint": "e-mail pas reçu / pas cliqué"
    }
  ]
}