{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30263",
    "entityType": "User",
    "nonce": "0x44d4b05094bee169c7041cf961d9d2f829adc0eca68e721275345a872c541394",
    "signature": "0x9c910585ee7e320dc82d3c2f99c9085ccf9b17e79e032993157f4f9c9c294e181d51066dfb395b3db010b80551c1ce912a2525905398e74f80bc2be9c09150991b",
    "signer": "0x6Ee7842A432b779E1Bf51F27B824fe86161cee6c",
    "userId": "408407824"
  }
}