{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xb715bf5ef346b549c1ced1c75d860d21897dad3e8782123c2393a2a557893b3a",
    "signature": "0x4f75b9608f7b89f36f85fc15d1d155afa92409bcff30d883be6bdf549979e76f074b3cec1a5d79175836144d7c710c19ee5a8447e947acbdab22bb834d1b90511c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}