{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18192",
    "entityType": "User",
    "nonce": "0x7e5107afa765d053b73b9a6ce77ab37b198cc9fe3cf2302053056bc6165b29dc",
    "signature": "0x85e1909d94fb3a9a5ef0145b98cb0c63b5e2fe74272a0ad7376ca325147d504c312ea1b71510a9e0543d410c75439a0a2b03faf7d1d275ced6420aa03258311e1c",
    "signer": "0xe1eAe9Fa3Fef187944BA6cBa5C534e1ea257CA4E",
    "userId": "344552512"
  }
}