curl --request GET \
  --url http://localhost:3000/api/audience

{
  "data": [
    {
      "id": "123e4567-e89b-12d3-a456-426614174000",
      "organizationId": "123e4567-e89b-12d3-a456-426614174000",
      "name": "VIP Customers",
      "createdAt": "2024-01-01T00:00:00.000Z",
      "updatedAt": "2024-01-01T00:00:00.000Z",
      "contactCount": 150,
      "description": "High-value customers for priority campaigns"
    }
  ],
  "meta": {
    "page": 1,
    "limit": 20,
    "total": 150,
    "totalPages": 8,
    "hasNextPage": true,
    "hasPreviousPage": false
  }
}