curl --request GET \
  --url https://api.opal.dev/v1/access-rules/{access_rule_id} \
  --header 'Authorization: Bearer <token>'

{
  "access_rule_id": "7c86c85d-0651-43e2-a748-d69d658418e8",
  "name": "Platform Engineering",
  "description": "This access rule represents all platform engineers in the company.",
  "admin_owner_id": "7c86c85d-0651-43e2-a748-d69d658418e8",
  "status": "ACTIVE",
  "ruleClauses": {
    "when": {
      "clauses": [
        {
          "selectors": [
            {
              "key": "<string>",
              "value": "<string>",
              "connection_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
            }
          ],
          "attribute_selectors": [
            {
              "values": [
                "<string>"
              ]
            }
          ]
        }
      ]
    },
    "unless": {
      "clauses": [
        {
          "selectors": [
            {
              "key": "<string>",
              "value": "<string>",
              "connection_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
            }
          ],
          "attribute_selectors": [
            {
              "values": [
                "<string>"
              ]
            }
          ]
        }
      ]
    }
  }
}