{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x988875575fe042f085012cbeaa3c4547e117663536a95c9c9d1b6743d8c262d3",
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    "signer": "0x497Bf0D8409A56A58347f2226d45340c59dd7051",
    "userId": "58618452"
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}