What does this mean?

vesion:3.6.6
env:repliset
2022-12-02T16:33:32.466+0800 I COMMAND [conn18967872] command pushMidBasic.$cmd command: update { update: “push__exid”, ordered: true, txnNumber: 44815, $db: “pushMidBasic”, $clusterTime: { clusterTime: Timestamp(1669970012, 116), signature: { hash: BinData(0, 7C0F5EA38E0815BBF94DCFC0550341FA1E66F2E8), keyId: 7133223152829595650 } }, lsid: { id: UUID(“9ec21618-01cb-4cbe-bcc3-d2ae3837e901”) } } numYields:0 reslen:229 locks:{ Global: { acquireCount: { r: 5, w: 5 } }, Database: { acquireCount: { w: 5 } }, Collection: { acquireCount: { w: 4 } }, Metadata: { acquireCount: { W: 1 }, acquireWaitCount: { W: 1 }, timeAcquiringMicros: { W: 341 } }, oplog: { acquireCount: { w: 1 } } } protocol:op_msg 254ms

In one millionsecond,there are many logs above in the mongod.log file, i think maybe one doc writes confilictly . and how to find the confilicted document.
and what do they mean such as keyId 、keyId ?
thanks in advance.