{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "870640566",
    "entityType": "Notification",
    "nonce": "0x028475443f5fdbb74d6277e43a410d1fc57d9571ca17a1797e167974ec6cf7ce",
    "signature": "0x7e6dbc760354ce56e43c99141d5faf2abf30191b8ebf7fc944d5a9f9e7ed639309944755b36853b5e7fe9f2bcdcfb06bd788dd3804ad3587bd091b07e8c6f9de1c",
    "signer": "0x8027C7ef52428f4a1C57Bb6De47d6f56750406dC",
    "userId": "509773150"
  }
}