{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "1428",
    "entityType": "Notification",
    "nonce": "0x01afa9aaf13c4d8297e4573b96a6282a970acb0b911f5398e9c4ffd57543dbd3",
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    "signer": "0xC728d461208f32A72c509e176ED6ba54c844099F",
    "userId": "176232909"
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}