{
  "manageEntity": {
    "action": "View",
    "entityId": "620307004",
    "entityType": "Notification",
    "nonce": "0x4148c938e29955d8a691303accc3bc5a621ed00add156beeec6085a0f4b4ddc7",
    "signature": "0xbac8593f4c6ad87bb6530a7b458226beda5fc6c7d3b98c5ba28a8b16d59970903d1edaa84d2fcec57a5a6e13d282bf33c55b0db5108f5ab74358e09ce5f7f18e1b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}