{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x0a4c6999376e5d31019344fad50605b4143794c8f995fdd946103df03779b882",
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    "signer": "0x7907d383F4014cbF03A1adDc700F44eB3ae99E7b",
    "userId": "205859716"
  }
}