curl --request GET \
  --url http://localhost/api/v3/profiles/validation-rules/{profileValidationRule}

{
  "data": {
    "id": 123,
    "name": "<string>",
    "type": "<string>",
    "rule_type": "<string>",
    "applies_to": "<string>",
    "pattern": "<string>",
    "error_message": "<string>",
    "priority": 123,
    "is_active": true,
    "effective_from": "<string>",
    "effective_to": "<string>",
    "created_by": "<string>",
    "updated_by": "<string>",
    "created_at": "<string>",
    "updated_at": "<string>",
    "values": [
      {
        "id": 123,
        "rule_id": 123,
        "value": "<string>",
        "is_active": true,
        "created_at": "<string>",
        "updated_at": "<string>"
      }
    ]
  }
}