{
  "manageEntity": {
    "action": "View",
    "entityId": "12890",
    "entityType": "Notification",
    "nonce": "0xa9d05b09f0f1798543581fe6400eb797c3fdfcc281253384f3842a72b7ae20d3",
    "signature": "0x73a3cb0c22e2dde80ac3efa733f3619100eec0a4a8b6c7cc61536367066891523084415e6dda930a03ce21ee79086b8aae81d1e456a2de4f58871053c11ff7581c",
    "signer": "0xb8Bf68e2681FA1A8a8ce9c78070BF9644e947378",
    "userId": "12890"
  }
}