{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0xd51fe30f68beaa18270025449d91c43fb1d5fa2caf95c5814d5a398baadda87b",
    "signature": "0xf92c48d00e4268f6e3506627677f85ddfe8b5cac95fbfa43bbcc42124ca344b33b496d911e0e47d5732f640ea2e2eb3193b1588542192ba90ccdb60fbeb4fa9e1b",
    "signer": "0xAa942fb8d8E7Eb9024f403fC0FF63D378019Fdb5",
    "userId": "8151"
  }
}