{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0x1410529dd17552286e435abeaa2e027b31ca61beb1d07b08f1c48b500351a406",
    "signature": "0x5346eb3124281bfbabe3baea51df661714936d4edd7b304584dc5f70c3d9d01e6c855b1ebcdfebc87762ef64effa9f45d5c8ad7c0554945a57eeecf3a7476d421b",
    "signer": "0x995Ca8f2d3956487967aCfd7EA849313C448c3a8",
    "userId": "227564"
  }
}