{
  "manageEntity": {
    "action": "View",
    "entityId": "542421603",
    "entityType": "Notification",
    "nonce": "0x251e7abafc99a48826a6215b6b2d0d45e11c5a42bd253a4df2aaceccbf18e190",
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    "signer": "0x1De2Ab4c2FDcc0F55887b7Fa624F9a63A13B894A",
    "userId": "542421603"
  }
}