Name | Type | Description | Notes ———— | ————- | ————- | ————- occurred_at | int | The time when this event occurred | services_added | list[str] | Services that were added | services_removed | list[str] | Services that were removed | instances_added | int | The number of instances added | instances_removed | int | The number of instances removed | instances_replaced | int | The number of instances replaced |