curl --request GET \
  --url https://api-message.nativehub.live/api/v1/webhooks/subscriptions \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "id": "c5d6e7f8-a9b0-1234-cd56-789012345678",
      "tenant_id": "c3d4e5f6-a7b8-9012-cdef-123456789012",
      "url": "https://api.example.com/webhooks/sms",
      "events": [
        "message.delivered",
        "message.failed"
      ],
      "secret": "whsec_abc123xyz789",
      "status": "active",
      "created_at": "2026-02-01T12:00:00Z"
    }
  ],
  "total": 123,
  "page": 123,
  "per_page": 123
}