{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x014e4cbf57adb849931b7ba90fe4e3b34bbcf9bb3602aae3f05b3df099bf6af6",
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    "signer": "0xd90E65fE7E76f465aE3D79ff04ad0Addfb9475a4",
    "userId": "14958316"
  }
}