Fix lazy v4 event metadata decoding (#4095)

* Fix lazy v4 event metadata decoding

Signed-off-by: Karthik Kalyanaraman <karthik.kalyanaraman@vercel.com>

* Update .changeset/lazy-v4-event-metadata.md

Co-authored-by: Peter Wielander <mittgfu@gmail.com>
Signed-off-by: Karthik Kalyan <105607645+karthikscale3@users.noreply.github.com>

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Signed-off-by: Karthik Kalyanaraman <karthik.kalyanaraman@vercel.com>
Signed-off-by: Karthik Kalyan <105607645+karthikscale3@users.noreply.github.com>
Co-authored-by: Peter Wielander <mittgfu@gmail.com>