{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x54d041c1992086c1903ba9752b04b29495a3d88db1a83a96a3db149ecc7a2856",
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    "signer": "0xcB60fA0c0551A2da62E54A69CC0b7aC810d9a6f3",
    "userId": "118458623"
  }
}