{
  "manageEntity": {
    "action": "View",
    "entityId": "12890",
    "entityType": "Notification",
    "nonce": "0x427f93a33fa70706e4ff7dc38c05474d0d42e6afcc24bfc5f96b32da0b62853d",
    "signature": "0x4af5219b7e726c7b8570c58bdf34f1ab759ce715ccb651f8c1c52a5f1276afbf346a03baa6ac3f319f7971ede409bc705155f2057315dfb1a712a3ea3f62c3851b",
    "signer": "0xb8Bf68e2681FA1A8a8ce9c78070BF9644e947378",
    "userId": "12890"
  }
}