{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54292",
    "entityType": "User",
    "nonce": "0x4d6ed84902ef87577276b7a742b19764100d14cee4fc05eaaf88c235ba41bb2a",
    "signature": "0x1d0902694be2c5cee911c9a79d7654f749cf6cb268e72a6f52471cbf807fa35744390f7f0cc11794e6837cef0e0c81e39d4b263d28b4810304af148f52d206251c",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}