{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0xb96f78533e78f6ce5c5593abe2f9faf77ae48d7ffc78995f5e23b9a58238a5cc",
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    "signer": "0x149CC6a9cAa0251Ca543017dBB916C90B016ed03",
    "userId": "820810989"
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}