{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xfe8549e7f725f4ed2266b5ab9ecc99145b5af5f130aef651cfa417d7286403ac",
    "signature": "0x65e1c315d4eeb90c515533a1e620853774c03ea9b7f20fbde1694b33f6050495265a1f8c29b01a548dc821f6a3c6f880608b4d81f2bc7cc52eb9194daf70bf3e1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}