{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0xfa578b5b9b8fb7808b8b939241895a5e0db6a4dfb58ad1679dd570697ba51d9e",
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    "signer": "0x191B6Fd957f517929075f1e49822818e792FF015",
    "userId": "74652"
  }
}