A neighbor of mine, who is 35 year old male, had an almost exactly similar event. Because he was younger, he survived. His medical team also reported to VAERS, and the Mayo clinic is researching it.
The vaccine is generally safe, and you should get it if you aren't immune to COVID. That being said, the effort to prevent vaccine hesitancy has suppressed media reporting on these events, understandably. They are likely more common than we think, but still relatively rare.
MRNA is going to be a revolutionary technology, but we should be honest about the fact that there are going to be some individuals who will experience some extremely nasty side-effects.