string(60) "fefefefe68010000000000681C0e3534343933333333333333333335d116"

array(4) {
  ["RequestId"] => string(36) "591CC218-FA55-5638-84D5-9C7AEFC0C9E5"
  ["Success"] => bool(true)
  ["MessageId"] => int(1989118487831491073)
  ["topicFullName"] => string(37) "/a1YvNvSc7gn/869298051366300/user/get"
}