{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "363081",
    "entityType": "User",
    "nonce": "0xe600de3dd33f0bb05e709c4ab4b61cd430316c56deafc72e905241392f60a9de",
    "signature": "0x32f9de1c66852c957b35b245870aa87ad66726794a0ea83bd8d291a36207fb4e60c44d5109cca486e465a54b5143afe537db333da1894f59e7876142251544951b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}