{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0xbe57a6f59b4e4079f3834233f71600b478bed10eec36349b6b8d5e26eee34929",
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    "signer": "0x9c1cD07a26673bf233aD87DFb181393FC715937d",
    "userId": "645221661"
  }
}