{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x181b13ec35e6d6aa74562a574d9f4aed7a08df6bf186d2a04be55ad09d998127",
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    "signer": "0x4C66E76dF182632f358E9724C2428c52873236B9",
    "userId": "710666555"
  }
}