{
  "manageEntity": {
    "action": "View",
    "entityId": "643",
    "entityType": "Notification",
    "nonce": "0x5e3000351e36638e00cc89e8636be770f818555a2355ed339042ebbc82c17986",
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    "signer": "0xf368FaC32c516b93Fc22d224d1b4C93fd4BcA0C2",
    "userId": "643"
  }
}