managedFieldsEntry

ManagedFieldsEntry is a workflow-id, a FieldSet and the group version of the resource that the fieldset applies to.

withManager
```
withManager(manager)
```
Manager is an identifier of the workflow managing these fields.
withOperation
```
withOperation(operation)
```
Operation is the type of operation which lead to this ManagedFieldsEntry being created. The only valid values for this field are ‘Apply’ and ‘Update’.
withTime
```
withTime(time)
```
Time is timestamp of when these fields were set. It should always be empty if Operation is ‘Apply’