{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "2111142770",
    "entityType": "Notification",
    "nonce": "0xc3bfc8b9aa5728d4e2f05d0022a6d0c28f8005ed620d04ba727263c563d3e79e",
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    "signer": "0x2b012Ef37cb9315271f0AC801DBbec07c0D4578d",
    "userId": "506789556"
  }
}