curl --request GET \
  --url https://api.devin.ai/v3beta1/enterprise/organizations/{org_id}/members/service-users

{
  "items": [
    {
      "service_user_id": "<string>",
      "name": "<string>",
      "role_assignments": [
        {
          "role": {
            "role_name": "<string>",
            "role_id": "<string>",
            "role_type": "enterprise"
          },
          "org_id": "<string>"
        }
      ]
    }
  ],
  "end_cursor": "<string>",
  "has_next_page": false,
  "total": 123
}