{
    "policy": {
        "blob": "{'foobar_user': 'role:compute-user'}",
        "project_id": "0426ac1e48f642ef9544c2251e07e261",
        "type": "application/json",
        "user_id": "0ffd248c55b443eaac5253b4e9cbf9b5"
    }
}
