{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "240171275",
    "entityType": "User",
    "nonce": "0xff9c19acb37f889fca4022e481742dd65c6f6f8de64d1a8f26b708f83e9287b4",
    "signature": "0x4ffcbadedcda8bb0124a21960cfe37edf118d335103fa49a3fb88dce22bee2b67943979e78428b77105590099e0eef2a2591910f39dc02f0e842f1fd9f55edcb1b",
    "signer": "0x7ceA71B4A8C4013A4f57c1A57eC0430915572e86",
    "userId": "31724295"
  }
}