liwo/app/Http/Resources/UserResource.php

<?php

namespace App\Http\Resources;
use Illuminate\Http\Resources\Json\JsonResource;

class UserResource extends JsonResource
{
    public function toArray($request)
    {
        $resource = [
            '_service' => 'user',
            '_resource' => 'user',
        ];
        foreach ($this->getAttributes() as $attribute => $value) {
            switch ($attribute) {
                case 'id':
                case 'name':
                case 'mobile':
                case 'email':
                case 'created_at':
                case 'updated_at':
                    $resource[$attribute] = $value;
                    break;
            }
        }


        $resource['includes']['fingerprints'] = $this->whenLoaded('fingerprints', function () {
            return FingerprintResource::collection($this->fingerprints);
        });

        return $resource;
    }
}