{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x68b5389b529adc5bc6e914e8d83c6a7424cd650262156dce3554dd8f0c364bdc",
    "signature": "0x9ff3a14b1befcc341bd8ed6882e4c11488a60e239efed1cc40a7686b421205611c8416f0d157388f86deb048bf719a3723875b76956997abed4f5221646b9d9a1c",
    "signer": "0xcd9913A048e4a4e2506C685DDFe6c47f5F4E02B2",
    "userId": "321125642"
  }
}