{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x0467d6d2f48a3f3b55ebeb38fe60927034a5dd4a97454526aa31f2046029c0a3",
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    "signer": "0xAa942fb8d8E7Eb9024f403fC0FF63D378019Fdb5",
    "userId": "8151"
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}