{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x017ce40916639f2b329bf893e2b745eeed80c84342cda589d7bdf79a4becb3c0",
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    "signer": "0xe73dEC83fb1FFbb74b846Ebe43FD299DFb3371E1",
    "userId": "225142146"
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}