{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "870640566",
    "entityType": "Notification",
    "nonce": "0x4fde9de7aea55e2a67435f9db697637bf48a1b0f21ffbd2ae7fe1274be34f982",
    "signature": "0xeed75b4d8c9c9f959aa5ebae7f6d47329649d3d77b9a34a7abf6f734da5aecc6472f6d3888d64412dbecfef30513004df2e127c4f43da145bcbf8e5b8e78c0fa1c",
    "signer": "0x8027C7ef52428f4a1C57Bb6De47d6f56750406dC",
    "userId": "509773150"
  }
}