{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827033",
    "entityType": "User",
    "nonce": "0x683e1453798019f677771db2aab85effcdbfcdd48c890c4a194290459157586f",
    "signature": "0xe432aa513c15c39352bfc305c62b8f6104db745f97982070c4a97d3d95be21fd47f54fbe7b819f11eac1912958527d1d55bda84fd65dfa6343d57fa7be0153c01b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}