{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x488ab4cbbedec1227c730007798f7bf91ba900e07597d99d20e17cb0f7ea9dff",
    "signature": "0xdd62fff692aa91dc073029f78a2d5ddc97617bd1e50d39ef03b52ab15db2fd8111db283ef4ffcd2a5d3604faf73bcd78be5eda1e7e6b016c6825d0aba3810e5d1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}