{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x1b2245dea781fbf92aab895cdf96199b91b524a04e574c921d821c37f9f934ab",
    "signature": "0x4e81d4e5d07be861ab3f9e018598b33acc880e6883dc999aa1cc7432ee1d578441b6606226f55a24f89eac888e1b68c6cb1df8d5822cb1eef940e0e9920649db1b",
    "signer": "0x995Ca8f2d3956487967aCfd7EA849313C448c3a8",
    "userId": "227564"
  }
}