{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "328022",
    "entityType": "User",
    "nonce": "0x9a04dd0583ac2d13f60263ae3261b5fc04a117be9c6f9678d59e5ffddcc05409",
    "signature": "0xc3723d206e7e22cf841e23c724dfe736bd8fc2184c75bbc043941207ba013f756b8af37499a9253e0594b283fdd0a44b6cb9ce5b9ecd04b63176023aeaa5a8341c",
    "signer": "0xf75adc45948144ee7d18bD5B4AEf863989CB88E6",
    "userId": "798360139"
  }
}