{ "priority": "INFO", "payload": { "nova_object.version": "1.1", "nova_object.namespace": "nova", "nova_object.name": "AggregatePayload", "nova_object.data": { "name": "my-aggregate", "metadata": { "availability_zone": "nova" }, "hosts": ["compute"], "id": 1, "uuid": "788608ec-ebdc-45c5-bc7f-e5f24ab92c80" } }, "event_type": "aggregate.remove_host.start", "publisher_id": "nova-api:fake-mini" }