string(60) "fefefefe68010000000000681C0e3534343933333333333333333335d116"

array(4) {
  ["RequestId"] => string(36) "FDD28961-CD8B-50B3-940C-E8EAF9BFF663"
  ["Success"] => bool(true)
  ["MessageId"] => int(2012170804049090048)
  ["topicFullName"] => string(37) "/a1YvNvSc7gn/869298051366300/user/get"
}