{
    "$ref": "InstancePayload.json",
    "nova_object.data": {
        "audit_period": {
            "$ref": "AuditPeriodPayload.json#"
        }
    },
    "nova_object.name": "InstanceExistsPayload",
    "nova_object.namespace": "nova",
    "nova_object.version": "2.1"
}