[MC-125727] Crash with tellraw command

After executing a tellraw command, the game crashes when I move my cursor over the text

Enter this command:

/tellraw @a {"text":"TEXT","hoverEvent":{"action":"show_entity","value":"{name:PLAYER}"}}

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Your command has invalid JSON, it should be

"value":"{\"name\":\"PLAYER\"}"

but it shouldn't crash while moving the mouse over the text nonetheless.

I just noticed this has already been reported here: MC-124545, I closed this ticket as a duplicate of that report.