{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "870640566",
    "entityType": "Notification",
    "nonce": "0x43e4d2618f950f6584a2e5c96c469da6f9efc70d3e1da100f398abfe5acd74fd",
    "signature": "0x2743d3c054021a0da1ef263d3a814e24f833336aa2066b00099bbaa246b59f193711eead2fe78aa990125d383f7c8f385f9e2f9058da5b332dff09da299b247a1c",
    "signer": "0x8027C7ef52428f4a1C57Bb6De47d6f56750406dC",
    "userId": "509773150"
  }
}