{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xbbcd129d16cfa4cabc5010f440b375f697746f2863020cdbadeda5dbe94a6896",
    "signature": "0xdc11272c6711f4e1dea1383c9f9c0ef88ef3ce458efb24a3ed867506b2f7c289296b69984c7a8296508d83ccfc2dbb5cd43ca416b73384f7e077c655c83e3b391b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}