{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x7a7cc186cb6bd0fbeb8a9a3985f9f9fd1356b1a80f9a962123d140acf8465854",
    "signature": "0x82af518604a45a95c23affdb5134abe7509d47eb1779f138b8c07a15d2aa19a930baea9ca1cb401ac006bbfc4a1bdfabeabc23a28eed71b83f156acd30eb15381c",
    "signer": "0x6687B667182cfdc5646f5AEB14a9945c9b1d3A6B",
    "userId": "100"
  }
}