{
    "event_type":"instance.unshelve.start",
    "payload":{
        "$ref": "common_payloads/InstanceActionPayload.json#",
        "nova_object.data":{
            "state": "shelved_offloaded",
            "power_state": "shutdown",
            "task_state": "unshelving",
            "host": null,
            "node": null
        }
    },
    "priority":"INFO",
    "publisher_id":"nova-compute:compute"
}