PUSH_PINNED_QUIZ

%1$@|pinned a quiz
the text before | is a header, the text after | is shown on a new line
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%1$@|置頂咗一個問題
12/18
Tony Wong, Jan 25, 2020 at 19:10
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%1$@|置頂咗一個問題提問
12/18
Tony Wong, Jan 20, 2020 at 18:22