Compare two REST response and ignore some fields

to compare two json response i can use below function but in the current context response return some dynamic fields which will be unique every time, can some one please explain how we can handle this

void compareResponse(def atcualresponse, def expectedREsponse){
def map1 = new JsonSlurper().parseText(atcualresponse)
def map2 = new JsonSlurper().parseText(expectedREsponse)

assert map1 == map2
}