bankDirectory (JSON object)

Property Name	Type	Required	Description
`paymentMethod`	string	Required	The shopper's payment method. Value: IDEAL
`currencyCode`	string	Required	The currency code for the transaction. For iDEAL, the value must be EUR.
`countryCode`	string	Required	The shopper's country code. For iDEAL, the value must be NL.

Property Name	Type	Description
`issuersInfo`	array	An array of bank objects, each containing the following: `issuerId` (string) The ID of the bank `issuerName` (string) The name of the bank