解码base64 DTD plst文件

Question

我该如何解码此plist文件？ （属于plist文件）

这是来自plist文件的一部分

但是我不知道如何解码和编辑它 救救我

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
    <key>+9IL9S53fsAVRo6fQdLlMDgEHZgzFse8WfLegBjjZwo=</key>
    <dict>
        <key>C2i9YD+xH00pv47pdpEnsreeGtfsZkEKU9+1GhBK0Ec=</key>
        <string>hK9DkQDktm325GccWM3FRFWHWfIsOSvVfxC0SimAeAk=</string>
        <key>IrtWv4hBDYTW7tegtLBCuJ9/yWBvhCEdGneGGtY9saM=</key>
        <string>7jUoPIKT/hq6byp/OtaelNUlDe99rD/wdzHoYMHiB1Q=</string>
    </dict>
    <key>/yqegvK/dadbha6dd9lnnO3BAbIPHkN/tEy52118cNc=</key>
    <dict>
        <key>3lfs14Jezi+HozmZdCPXTsqNp3V36rcsRkPKBb9NJ8M=</key>
        <string>F6PEiQLcFnW2pk2ylN6jEgIySerGhCOMf4CLxNN1Sk0yuaH/PWhPgAPoRu/v51S1</string>
        <key>M0IUr+YmljX0Dl+VS0Hbvw==</key>
        <string>jp4kdmy3+0f9YdGB54crnr+z2rw+LtuPDEl0SPrGJYk=</string>
    </dict>
    <key>7J3jUICcTegF780NJTiJdUcD4etTR30F/Pm00QEtePQ=</key>
    <dict>
        <key>/23R1LqyyiZJemAA55KNUw==</key>
        <string>hY6KgcpAnNi3RJZNkDO2Ew==</string>
        <key>08Wed2ipWavESIlQQWXOkv+wSJj5xhCUxYfn8Hizm+4=</key>
        <string>1cUWtFTaLiKbCWB+ZLnsbQK64wsafp7I7OyrPIEbUxdfDg5loQBx691kL3GfLKLC</string>