获取政策规则

[
    {
        "uuid": "a37fd8dc-202b-11ec-8e65-8de229ca583f",
        "additionTypes": "1, 2, 3",
        "formula": "$1$*0.2+$2$*0.8+$3$",
        "subDataCreateStage": "{子阶段1, 1, [add, delete, read, update], student, %, student, %, 1.0}",
        "subDataAuditStage": "{子阶段1, 2, [read, update], student, %, class, %, 0.5; 子阶段2, 3, [add, delete, read, update], class, *, class, *, 0.5}",
        "subDataPublicStage": "{子阶段1, 1, [read], student, %, class, *, 1.0}"
    }
]