{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x3ad89420dd339c0c9b3baca1190ad47f7cbd6e1f9c8e82aff8926f4e733e1965",
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    "signer": "0x1bA909EE80A7644bBd83aFe9398926c709532835",
    "userId": "7645"
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}