{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "174116",
    "entityType": "User",
    "nonce": "0x5d7372af27ec14ae60b7955c7453836c80ca78007927124acf8ba06bb6da3285",
    "signature": "0x312139705da62af014e50a0faea3a0db341469724311ad456d098d46459e076b58b5ec091ad289199a66827e9811157d445cba73205fc8e98138e770f50d87591b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}