{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x4ed32fb1099d221b507b5eaf60b4aa8874497f2343e4c7005080127c527205b7",
    "signature": "0x3f1ee9e38d816d4959c8020ac6469df45fe873ae03ee0a50fa7fde02b5cb2e5c78163720c2b20837f26dc076996ec68d5c635c397572a850009a3c60d23fb3331b",
    "signer": "0x995Ca8f2d3956487967aCfd7EA849313C448c3a8",
    "userId": "227564"
  }
}