{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18192",
    "entityType": "User",
    "nonce": "0xa0c10143e0a32e97a961f37bef6da2f2af99de2eb5110cae84329cfe2c9ccae5",
    "signature": "0x93f54618fd23dcb3d43be892284076c5eb59e39b005634c6ba07847791d37ad314a911cef7bd39d0f2c92f6c33f5047e1302b6d764a28ad555b8fec5f7fa2a631b",
    "signer": "0xFf2437389375Ba241D046fEb32cdfb9e1B3f4Cc3",
    "userId": "920962897"
  }
}