hydrateConstraints example

$upserts = [];

        foreach ($ruleConditions as $ruleCondition) {
            $payload = $ruleCondition->toArray($defaultLocale);
            $payload['identifier'] = sprintf('app\\%s_%s', $manifest->getMetadata()->getName(), $ruleCondition->getIdentifier());
            $payload['script'] = $this->scriptReader->getScriptContent(
                self::CONDITION_SCRIPT_DIR . $ruleCondition->getScript(),
                $app->getPath()
            );
            $payload['appId'] = $appId;
            $payload['active'] = $app->isActive();
            $payload['constraints'] = $this->hydrateConstraints($payload['constraints']);

            /** @var AppScriptConditionEntity|null $existing */
            $existing = $existingRuleConditions->filterByProperty('identifier', $payload['identifier'])->first();

            if ($existing) {
                $existingRuleConditions->remove($existing->getId());
                $payload['id'] = $existing->getId();
            }

            $upserts[] = $payload;
        }