package main
 
import (
    "regexp"
    "fmt"
)
 
func main() {
    var re = regexp.MustCompile(`payload:\\"(\{[^\}]+\})`)
    var str = `version:1 response:<status:200 message:\"OK\" payload:\"{\\\"id\\\":\\\"ll2.card_4U45pAWUMCLhsu\\\",\\\"uid\\\":\\\"ll2.acc_727V8M6GjPJ9I26CqZHgxN\\\"}\\\"\\013\\022\\006ll2-cc\\032\\0019\" endorsement:<endorser:\"\\n\\007PASSKIT\\022\\224\\010>`
	rawJSON := re.FindStringSubmatch(str)
	fmt.Println(rawJSON[1])    
}
 

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