{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x9cc34ebaf5b44babe04717d68b0cb9bf68d811b9be7f2de832e99a728e14a88e",
    "signature": "0x6a421a1b81cd5a5ce9e020727140a023360fa621b368e4e5804367fc8fbbdee63e0089ee080d5f5f93dc3a4873360ef6efa5054960795bb2b00367cf00a3a05f1b",
    "signer": "0x5Bc05b706D3864d34607f61EB1cb128EEf4453b8",
    "userId": "673773101"
  }
}