How to cache CKRecords efficiently in SwiftUI

I'm building a SwiftUI social photo-sharing app that uses CloudKit, where user profiles (including a CKAsset for profile pictures) are displayed throughout the app. To reduce redundant fetching of profiles across multiple views, I’m trying to implement a cache for the profile CKRecord into a custom model. (Important for handling the CKAsset for a user’s profile picture, ensuring it’s moved from the CloudKit fileURL staging area)

Here's my current approach:

struct UserProfileModel: Identifiable {
    let id: String
    let displayUsername: String
    var profilePicture: UIImage? = nil
}

class UserProfileCache: ObservableObject {
    static let shared = UserProfileCache()
    @Published var cache: [UserProfileModel] = []
}

I'm looking for guidance on how to structure this cache efficiently. Specifically, are there any issues or problems I could be overlooking with this approach?

Thanks in advance for your help!