1509 BTCs transferred from Coinbase to unknown wallet address

According to Whale Alert monitoring data, at 21:38:50 Beijing time, 1509 BTCs were transferred from Coinbase to an unknown wallet address beginning with "36DQqc". At current prices, it is about $14 million. The transaction hash is: 6ff892b83d44f3e1dbc4a0161b85a6698ee9b8f2d204a705c7e3f8a51fee53b0.