Data: Unknown address transferred to OKEx 1000 BTC

According to Whale Alert monitoring, Beijing time on October 18th 21:51:40, unknown address (beginning of 3Kzh9q) to OKEx (bc1quq starting address) transferred to 1000 BTC (about 7.97 million US dollars), trading hash value: da7db69f5d63f659dbd41cd8f997b19f4d3620eb8ed1f10f87602b3b1e313d .