{
  "manageEntity": {
    "action": "View",
    "entityId": "345",
    "entityType": "Notification",
    "nonce": "0xf3352650de506fe5fff32aa3d34d984f6d80e3329cdc15d4d2be92387d6da17f",
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    "signer": "0x60C52A1D84E397a6a24546308fAaf247B22690A7",
    "userId": "345"
  }
}