{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x94eb16053afb3725c2f155df92ddb774a850146c81b2a062fd28ba5cf6566a23",
    "signature": "0x514bcdc9563da0e5ff1af9baf96da32447975d66eaac73a16ea8aa2b4eab01034957f4e11e4b4352da4108e2b340a8da89570078b038a9cef9c2c5bf653366e61c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}