Garbage Data in Response

My API sending UTF-16 response back but getting following data in the SOAP UI response.. other tools like fiddler and postman getting proper xml back. Not sure what could cause this issue. Please advice

data contentType="text/xml; charset=utf-16" contentLength="3138">㰀㼀砀洀氀 瘀攀爀猀椀漀渀㴀∀㄀⸀　∀ 攀渀挀漀搀椀渀最㴀∀甀琀昀ⴀ㄀㘀∀㼀㸀㰀刀䔀匀倀伀一匀䔀 砀洀氀渀猀㨀砀猀椀㴀∀栀琀琀瀀㨀⼀⼀眀眀眀⸀眀㌀⸀漀爀最⼀㈀　　㄀⼀堀䴀䰀匀挀栀攀洀愀ⴀ椀渀猀琀愀渀挀攀∀ 砀洀氀渀猀㨀砀猀搀㴀∀栀琀琀瀀㨀⼀⼀眀眀眀⸀眀㌀⸀漀爀最⼀㈀　　</data>