{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xd69ec0c5c3690e0f125b53fde0aa35cab13bb10051bad50ef7fee9df5732a3c1",
    "signature": "0x957523d5fe76e219d9b8bd58f160281f772e7dcb8f16543963bed38305bdbee150b9f366f9138b466ece0c78d6093c5255a5497cf9df7d2046c2fe19801b9d3e1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}