Authentication 3DS Object

No	Name	Type	Mandatory	Min Length	Max Length	Description
1	acsEci	Alphanumeric	O	1	2	Authentication 3ds acsEci
2	authenticationToken	String	O	28	32	Authentication 3ds authenticationToken
3	transactionId	String	O	1	50	Authentication 3ds transactionId

"authentication": {
    "3ds": {
        "acsEci": "A1",
        "authenticationToken": "TmFtYSBTYXlhIFNpYXBhIFlhYWE=",
        "transactionId": "ABC23456789"
    }
}