{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "323361833",
    "entityType": "User",
    "nonce": "0xa9b04a12a86c9fcd25461347c5514001742af071ed7c95cc5c1219992f823774",
    "signature": "0x780ed47b4f45d8f626c92be7da3a8cde05600e607609ba34c63bc9a8ab58b1bd7e2379790db3b330268d2c0adb323cd669ba6c8c120a678911542e7000f7ac2d1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}