{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x1909e8f9c69acf46b190852e677e20b49fb4878dee0c3e4767fefc9a4cbb4a7b",
    "signature": "0x6b0c5f294599cff823dec8c4d9bd13b961d1f240f50aca06c6ed112f5dc22dea04c1f72173706bc1d4b60e28378991761a020f16b69529ce3c680d56e5b36ffb1b",
    "signer": "0x5E652dd502316FBC7C662d41A84F46564e7BFeFD",
    "userId": "52749534"
  }
}