{ "event_type":"instance.create.start", "payload":{ "$ref":"common_payloads/InstanceCreatePayload.json#", "nova_object.data": { "host": null, "ip_addresses": [], "launched_at": null, "node": null, "updated_at": null, "power_state": "pending", "state": "building" } }, "priority":"INFO", "publisher_id":"nova-compute:compute" }