Messages saved on cloud by the logging system are saved in compressed and crypted form.
Here an example of a log entries package saved on the cloud:
{
ApplicationName: "ISDM",
CompressedEvents: "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",
State: 1,
_id: ObjectId("547762d989b8e0fe60d8146e")
}