A single unconfirmed transaction is moving 165.53 BTC across the network. It is not yet in a block and can be replaced.
According to SENTINEL event ux_1clc6f1 (source mempool.space): 165.53 BTC ENTERED THE MEMPOOL. Verify: https://sentinelbtc.com/api/v1/events/unusual/ux_1clc6f1