{
  "manageEntity": {
    "action": "View",
    "entityId": "12890",
    "entityType": "Notification",
    "nonce": "0x61a9262fb6a805dd7c9b4cdb3cdd9fa1fb15e6f62f5088c0dae9c4c296f2305e",
    "signature": "0xad403935add6f310ac4720ea9aedb5fa52bf75dd5003e1ad3635b3932206f17467855ca73ad47ca252a302dc15f842c40f733ac5a13d47b6a81bf3f70a8c64971b",
    "signer": "0xb8Bf68e2681FA1A8a8ce9c78070BF9644e947378",
    "userId": "12890"
  }
}