{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0xdad56d9a5d0efee50f56c516a369a2b63c184983eeb6f415b6c82a6e0c3536c4",
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    "signer": "0xA3cEd4452Ec88415B96DE1F0BDfc3a358cE048b5",
    "userId": "387447420"
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}