An event

gistfile1.json

{
    "commitId" : LUUID("556fb777-2cf3-e34d-9f34-88caad42c0be"),
    "timestamp" : ISODate("2013-11-21T14:59:10.314Z"),
    "aggregateId": "65dbab54-afd0-477b-a5fb-686cc90f7aff",
    "events" : [ 
        {
            "eventName" : "item_added",
            "args": ["1", "10"]
        },
        {
            "eventName" : "item_added",
            "args": ["1", "23"]
        }
    ],
    "meta" : {
        "who" : "guest",
        "when" : "2013112115591059"
    },
}