{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "91051",
    "entityType": "User",
    "nonce": "0x168529104088cb8c0294a6b4b1ea2b4260b9501ddfcaf5d242a96f8d693ee91d",
    "signature": "0xaed18263193717d4548bceb370cde43ab371ffe7a24d50433573997fb8bc454d4f22e7aec746f434c42ea46bac773db4469ad784595823422d16d04e342ea0551c",
    "signer": "0x12fad93DE1Cd70721D562298f2cF5A522082d22D",
    "userId": "41465"
  }
}