{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "870640566",
    "entityType": "Notification",
    "nonce": "0x7cf199728bb992db994387ba7b525bf7e26be590d04402590ffc61241c3bcd13",
    "signature": "0x7ba5bc60fa386ecbdb6ab39ab1a4e65f2f597f2775bb82fd7dea5257e8711b8a6c8d3ba307dbd58a5dd623a754bd0275593465a3c40d5f57ec6e4101932ee5fc1c",
    "signer": "0x8027C7ef52428f4a1C57Bb6De47d6f56750406dC",
    "userId": "509773150"
  }
}