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log/certificate -time 2021-08-15T23:15:29Z-2021-08-15T22:45:00Z -json -- display log during the specified time in RFC3339 format which contains 'certificate' in json format
log/copy-logfiles -time 2022-02-15T22:25:00Z-2022-02-15T22:40:00Z -- 'copy-logfiles' is reserved usage, to download all logfiles in the specified time duration, maximum time frame is 30 minutes
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