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