{
  "manageEntity": {
    "action": "View",
    "entityId": "668",
    "entityType": "Notification",
    "nonce": "0xac40de054dd3b602a7585225e521c7e3efb4d34f996d6f6b6604ff1a4712970e",
    "signature": "0xcb62f395b121d0bcb677a936b3114c39cd5c0d32b56a80a49b2fa43b974c865330010a405a21f3b459527b890394e148a8cf4da5c310976cd023542d92f7ac841b",
    "signer": "0x5620556DFb7b7987A21b1CF894ed8DC8B990c42D",
    "userId": "668"
  }
}