Retrieves an alert routing rule

curl --request GET \
  --url https://api.rootly.com/v1/alert_routing_rules/{id} \
  --header 'Authorization: Bearer <token>'

{
  "data": {
    "id": "e014822f-0d11-456d-abed-9d826de65436",
    "type": "alert_routing_rules",
    "attributes": {
      "name": "Alert Routing Rule 4",
      "alerts_source_id": "be63fa5c-5741-4bef-920c-bef9d328fa78",
      "condition_type": "all",
      "enabled": false,
      "position": 1,
      "destination": {
        "target_type": "EscalationPolicy",
        "target_id": "e571c258-a6ad-49fe-80ec-1316020a9725"
      },
      "created_at": "2026-02-02T12:53:13.701-08:00",
      "updated_at": "2026-02-02T12:53:13.701-08:00",
      "destinations": [
        {
          "target_type": "EscalationPolicy",
          "target_id": "e571c258-a6ad-49fe-80ec-1316020a9725"
        }
      ],
      "conditions": []
    },
    "relationships": {
      "owning_teams": {
        "data": [
          {
            "id": "7d8a6c18-4e07-479b-9226-a77b433f33d0",
            "type": "groups"
          }
        ]
      }
    }
  }
}