{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x6c38ae6ad6818d5dfca96be73136c28f485b139a6ae43ffaacb6eb9b3c1ced6d",
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    "signer": "0xAa942fb8d8E7Eb9024f403fC0FF63D378019Fdb5",
    "userId": "8151"
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}