{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "48975",
    "entityType": "User",
    "nonce": "0x88ec8accb809e4f76ffc9607dd30daa454a19557c248e2fde9efcf3d371a46c8",
    "signature": "0x2e8aae7e35ae74a96c401d8b3873e4864753b7f9baae4e269f706646298592a45a93b63c8c9a9dde81641407ceb1f1253bb9e895eee74e9c97fc4eb5dc4f076a1c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}