List users associated with a product

{
  "user_roles": [
    {
      "role_id": 409541421,
      "name": "Project scoped role 1",
      "scope": {
        "type": "project",
        "name": "Project 1",
        "id": 131414752
      }
    }
  ],
  "pagination": {
    "total_records": 1,
    "total_pages": 1,
    "current_page": 1
  }
}