{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "870640566",
    "entityType": "Notification",
    "nonce": "0xc9d0bb5ca9196130c457b254c884dbe3412bc21050b8f9cf2080e59f8c833810",
    "signature": "0xc87bc161d2548923834cb399d6eb46419c2fbb3e53c67eff1aea2c0c335553b51f8694c1cc62459c5cb4baaf0a8db0e53421af84a98c9700a3e1e168b99074461b",
    "signer": "0x8027C7ef52428f4a1C57Bb6De47d6f56750406dC",
    "userId": "509773150"
  }
}