{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x4e8c132e4d15ce88f79c49d684809f6285c59cd10bc88d138b3b36e0579b8594",
    "signature": "0x9ad2c4f31724495f5e1bd837ea77c3979a126cb76a3fb59e2a3eb9a657fdcfae7e4449dad2cf53d28bff288a4d72735e310d4ca27e66225f7e21b8e798a2c7b61b",
    "signer": "0xAa942fb8d8E7Eb9024f403fC0FF63D378019Fdb5",
    "userId": "8151"
  }
}