{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x5ea61fbb5478e517cfa9b6beab2f6f7f1f6367d0d026224e9ce0a9c4f36a7dc8",
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    "signer": "0x8d9C3422B8A78bf67B64E503D8d5bC1f316863Ff",
    "userId": "446019415"
  }
}