Retrieves an escalation level

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

{
  "data": {
    "id": "a577691d-a326-4dcd-a51d-1526a03bdbfb",
    "type": "escalation_levels",
    "attributes": {
      "escalation_policy_path_id": null,
      "position": 1,
      "delay": 5,
      "escalation_policy_id": "7426359b-0914-45a0-ad16-8c23f8fde3d9",
      "paging_strategy_configuration_strategy": null,
      "paging_strategy_configuration_schedule_strategy": null,
      "created_at": "2025-10-03T13:15:05.088-07:00",
      "updated_at": "2025-10-03T13:15:05.088-07:00",
      "notification_target_params": [
        {
          "id": "133",
          "type": "user",
          "team_members": "all"
        }
      ]
    }
  }
}