{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x4fd9bb4db3c0d8baa7f4779ad89fc7a2748e94bcd90c0ba52d0df4e45c5070ef",
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    "signer": "0xf1371287CcA349Af4a653c15B0E788bB01fc7eBE",
    "userId": "184922871"
  }
}