{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x64203c231fe721a4bb8ac0434d085444b4ea89bacabb4337f79da56dc6814aad",
    "signature": "0x1938a20e544c9d10b60985a34519eac7e7eef1f05eef78278a239952652e3e4254d804d43cd2cb4d8c61d56ee2b940ea16526b7bab1ed2b0177aa4d6c5393a271c",
    "signer": "0x7fB23CaDa61ACB0c4fCc650FDE57c3B812d4A5f4",
    "userId": "66130"
  }
}