Revert "fix"

This reverts commit b1ade03903184c61987ff80c0a7fb29742c2bb96.
Revert "Fix SystemEvent log data type"

This reverts commit 497c1c4f50231b5c3c25fb07e2e82e0e88d5269c.
Revert "Revert "Fix SystemEvent log data type""

This reverts commit a76177f48288cf53b7bf398364256a0dde2cd18c.