spoor api message format

gistfile1.txt

{
    "envelope": {
        "headers": {
            "user-agent": "curl/7.30.0",
            "host": "localhost:5101",
            "accept": "*/*",
            "content-length": "27",
            "content-type": "application/x-www-form-urlencoded"
        },
        "url": {
            "protocol": null,
            "slashes": null,
            "auth": null,
            "host": null,
            "port": null,
            "hostname": null,
            "hash": null,
            "search": null,
            "query": null,
            "pathname": "/px.gif",
            "path": "/px.gif",
            "href": "/px.gif"
        },
        "time": {
            "received": "2015-05-27T09:00:32.995Z"
        }
    },
    "message": "param1=value1&param2=value2"
}