%2$@|%1$@ invited you to the group
Legacy string. It was used for notifications. the text before | is a header, the text after | is shown on a new line
34
Len Kagamine,
Feb 25, 2023 at 05:37
%2$@|%1$@ 已邀请你您加入群组
18/34
Len Kagamine,
Feb 24, 2023 at 09:15