{
  "manageEntity": {
    "action": "View",
    "entityId": "12220",
    "entityType": "Notification",
    "nonce": "0x164a54339f8668fef6d691223e5a858bd0ea6bc80fdba99af45439fc2fbb122f",
    "signature": "0x1819358eeb938b75e9fd7950caa2e59359be0a1e2b085146e8b69d961f6839d22a6ef2d7c8d40b2a012d4763378ce781d4cc0d53734b986d8961c715203ca2211c",
    "signer": "0x5Bc42C44dD971a519Bb29863f805CEeE55a44DF4",
    "userId": "12220"
  }
}