[
    {
        "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": {},
        "parents": []

    },
    {
        "uid": {  "type":"Album", "id":"jane_vacation"},
        "attrs": {},
        "parents": []
    }
]