{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x9d4ec8a25381aecb3c76bf27860a98ea462bddfa622c9d0abec59f9789ada737",
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    "signer": "0x5Add82A3A3Dc396F72491D6766788d9Cb30b0d70",
    "userId": "166193681"
  }
}