{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65808",
    "entityType": "User",
    "nonce": "0x0a480953737056e9a492535880a8ffa593663af02b091ce2e7e1838cdee2d7cb",
    "signature": "0x450860ba5629599ad2e0414417205702fc6bfa7798b92dda807a61fd76d51a617fcf52374b97015422a2c0e09c75edab93c26c4d87310ee55c423716c52890c01c",
    "signer": "0xfEf199273dc1B7112aA0D32cc0DbF797aC6EAfE5",
    "userId": "198179849"
  }
}