{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x422de0c005842579d6c520ec72e1d87eea5afd0dcc2ab240d1cd7c9b8f23b0be",
    "signature": "0xa27777276a560cfe37b2138ae704ebd819e9ffa0e8c5643b03e347a5bc5d18ee2c074418c988d549e65c69cf041dba8a3026710f8a01c8bab9a6f916bf5166701b",
    "signer": "0x92d3eeF18F09b6dEA8B68410222af4813dA7727F",
    "userId": "719754"
  }
}