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# System prepended metadata

title: Untitled

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| Модель | Количество полей в participants | Ограничение на количество записей в participants |
|:------:|:-------------------------------:|:------------------------------------------------:|
|  User  |2 (is_blocked, is_following)     |                       284350                       |
|  Challenge  |3 (is_disliked, is_liked, is_following)|                       236290                       |
|  Media  |4 (is_hidden, is_liked, is_reposted, is_viewed)|                       209705                       |
|  Comment  |1 (is_liked)|  399450  |