{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18192",
    "entityType": "User",
    "nonce": "0x0a4e5b2b6d44f7ef4ab7eea2d6c6afe1fcb83683db1fb758141a7ffe2f3055cc",
    "signature": "0x37090cc73449d6479552b2271b6194e112079a3e06a04e4014e5effd8b469422602918e4dbd623cf8f300a61eed9edcf25590e7402b7d4ff541e54d71d1cc1511c",
    "signer": "0xe1eAe9Fa3Fef187944BA6cBa5C534e1ea257CA4E",
    "userId": "344552512"
  }
}