[
    {
        "attrs": {
            "groupId": "FREE",
            "thumbnailUrl": null
        },
        "fileStates": [
        ],
        "id": "FREE",
        "state": 2
    },
    {
        "attrs": {
            "groupId": "PRISM",
            "thumbnailUrl": null
        },
        "fileStates": [
        ],
        "id": "PRISM",
        "state": 2
    }
]