{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "870640566",
    "entityType": "Notification",
    "nonce": "0x66c638cc9a546c2ef971365db6829aaa75c6bbbbc983597cd1a669f8d6f97583",
    "signature": "0x3766af0de4d9d5474281d0aa36cab3d84becf2bddd8993b8fd6835c4ca00b7b956980b7bcff88bdc6c4b4eb0be820a4d70ae6824bb390acc2bd06c3f03e9a07c1b",
    "signer": "0x8027C7ef52428f4a1C57Bb6De47d6f56750406dC",
    "userId": "509773150"
  }
}