Retrieves an escalation level

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

{
  "data": {
    "id": "1c692528-90ea-4225-bccc-61a44c454d5a",
    "type": "escalation_levels",
    "attributes": {
      "escalation_policy_path_id": null,
      "position": 1,
      "delay": 5,
      "escalation_policy_id": "f63b495a-12b8-4630-aea6-1bdd55bba065",
      "paging_strategy_configuration_strategy": null,
      "paging_strategy_configuration_schedule_strategy": null,
      "created_at": "2025-10-31T18:54:42.869-07:00",
      "updated_at": "2025-10-31T18:54:42.869-07:00",
      "notification_target_params": [
        {
          "id": "160",
          "type": "user",
          "team_members": "all"
        }
      ]
    }
  }
}