nova/doc/api_samples/os-fping/fping-get-resp.json

{
    "servers": [
        {
            "alive": false,
            "id": "1d1aea35-472b-40cf-9337-8eb68480aaa1",
            "project_id": "6f70656e737461636b20342065766572"
        }
    ]
}