[
    {
        "uid":  { "type":"Action", "id":"view"},
        "attrs": {},
        "parents": []
    },
    {
        "uid":  { "type":"User", "id":"Bob"},
        "attrs": {},
        "parents": []
    },
    {
        "uid":  { "type":"Photo", "id":"VacationPhoto94.jpg" },
        "attrs": {
            "owner": { "__entity": { "type":"User", "id":"Bob"} }
        },
        "parents": []
    }
]