{
  "manageEntity": {
    "action": "View",
    "entityId": "21139",
    "entityType": "Notification",
    "nonce": "0x4f5a1fa078d7e722e179bbdaef75b6e677fe7e05283e79b52c913fdaaf449498",
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    "signer": "0x9A542CBD21Ab430af86326F99FC4918e7BD8B8A0",
    "userId": "21139"
  }
}