When performing following or related commands, there's always coming the message "Invalid json: malformed JSON at line xxx column xxx":
/title @p title "hi"
Same with tellraw and other json commands.
But using json with /setblock e.g. for a sign, it still works.
Linked issues
Comments 2
53rd dupe of MC-83460
Search in the future, this issue is reported over 15 times
Use
/tellraw @a {"text":"hi"}