{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x2bc2c07a576c93fc65da054a64b3ff3023d174842f6ec62208d018c519ff4fb6",
    "signature": "0x462b1ece5c5a8959202cfac381bbeb25693d8126ab089326091e22ccd93f84c072c9e150b8ddf8c8b65bc71cc47c08a53493fc6f2f033844c3c2fc3e4aa9ab771c",
    "signer": "0x92d3eeF18F09b6dEA8B68410222af4813dA7727F",
    "userId": "719754"
  }
}