This is the structure of a sample iTunesMetadata.plist file. If you want to secure your apps better you can use this to do a check for specific nodes so you can do jailbrake detection.

iTunesMetadata.plist

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
	<key>apple-id</key>
	<string>user-account@email.ext</string>
	<key>artistId</key>
	<integer>000000000</integer>
	<key>artistName</key>
	<string>XXXXXXXX</string>
	<key>asset-info</key>
	<dict>
		<key>file-size</key>
		<integer>00000000</integer>
		<key>flavor</key>
		<string>XXXXXXXX</string>
	</dict>
	<key>bundleShortVersionString</key>
	<string>XX</string>
	<key>bundleVersion</key>
	<string>XX</string>
	<key>com.apple.iTunesStore.downloadInfo</key>
	<dict>
		<key>accountInfo</key>
		<dict>
			<key>AccountAvailableServiceTypes</key>
			<integer>0</integer>
			<key>AccountKind</key>
			<integer>0</integer>
			<key>AccountServiceTypes</key>
			<integer>0</integer>
			<key>AccountSocialEnabled</key>
			<false/>
			<key>AccountSource</key>
			<string>device</string>
			<key>AccountStoreFront</key>
			<string>000000,00</string>
			<key>AccountURLBagType</key>
			<string>production</string>
			<key>AppleID</key>
			<string>XXXXXXXX</string>
			<key>CreditDisplayString</key>
			<string></string>
			<key>DSPersonID</key>
			<integer>000000000</integer>
		</dict>
		<key>artworkAssetFilename</key>
		<string>-0000000000000000000.jpg</string>
		<key>etags</key>
		<dict>
			<key>media</key>
			<string>"XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"</string>
		</dict>
		<key>mediaAssetFilename</key>
		<string>0000000000000000000..app</string>
		<key>purchaseDate</key>
		<string>20XX-XX-XXTXX:XX:XXX</string>
	</dict>
	<key>copyright</key>
	<string>20XX XXXXXXXX</string>
	<key>drmVersionNumber</key>
	<integer>0</integer>
	<key>fileExtension</key>
	<string>.app</string>
	<key>genre</key>
	<string>XXXXXXXX</string>
	<key>genreId</key>
	<integer>0000</integer>
	<key>itemId</key>
	<integer>000000000</integer>
	<key>itemName</key>
	<string>XXXXXXXX</string>
	<key>kind</key>
	<string>software</string>
	<key>playlistArtistName</key>
	<string>XXXXXXXX</string>
	<key>playlistName</key>
	<string>XXXXXXXX</string>
	<key>product-type</key>
	<string>ios-app</string>
	<key>rating</key>
	<dict>
		<key>content</key>
		<string>XXXXXXXX</string>
		<key>label</key>
		<string>00+</string>
		<key>rank</key>
		<integer>000</integer>
		<key>system</key>
		<string>itunes-games</string>
	</dict>
	<key>releaseDate</key>
	<string>20XX-XX-XXTXX:XX:XXX</string>
	<key>s</key>
	<integer>000000</integer>
	<key>softwareIcon57x57URL</key>
	<string>http://XXXXXXXX.png</string>
	<key>softwareIconNeedsShine</key>
	<false/>
	<key>softwareSupportedDeviceIds</key>
	<array>
		<integer>1</integer>
	</array>
	<key>softwareVersionBundleId</key>
	<string>XXXXXXXX</string>
	<key>softwareVersionExternalIdentifier</key>
	<integer>00000000</integer>
	<key>softwareVersionExternalIdentifiers</key>
	<array>
		<integer>0000000</integer>
		<integer>0000000</integer>
		<integer>0000000</integer>
		<integer>00000000</integer>
		<integer>00000000</integer>
	</array>
	<key>vendorId</key>
	<integer>000000</integer>
	<key>versionRestrictions</key>
	<integer>000000000</integer>
</dict>
</plist>