{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "870640566",
    "entityType": "Notification",
    "nonce": "0x6e47e3e5fa6df49ad38cfafe68a4aed33fb03a83e7f63dc6180e7c53d5873828",
    "signature": "0x039653ca6a84e6c422f2d0e0b78aa31c6e21e69dd14d6f3742dfedd2ebcf060b432fc2cd73294aa64b4c8f371d574cd2b74346797f806be4301b64c1694c6a411b",
    "signer": "0x8027C7ef52428f4a1C57Bb6De47d6f56750406dC",
    "userId": "509773150"
  }
}