{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x8dcd5226bc2cb9a565b1ca9fa6d04145cf038f19f509c840e812a59b7bcf0365",
    "signature": "0x2c58acf6166a4d23654d90565479026aa9134da0af646a1e8522b1a60f41b0c915aa80473b7cf36f3aa2eea6cf03abcc489796bed77b72143811c9e7d10b10991b",
    "signer": "0x7fB23CaDa61ACB0c4fCc650FDE57c3B812d4A5f4",
    "userId": "66130"
  }
}