{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x523ab6e5561fb326adf2bcb5cc0b29da58679842d4f69eabc54df8da7321ee15",
    "signature": "0x169c9d6fa3f9f8b8a9c1b5c61a7bda23ea82630b234c2a832b4f75eb564c2cd8365e6a8f777e0d078926e6d35b42cd90b7abe4d298e6c48d7f0e0b63b3ec83f61b",
    "signer": "0x92d3eeF18F09b6dEA8B68410222af4813dA7727F",
    "userId": "719754"
  }
}