{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x6a63bad08702415b3ca599ccef52990e20a47526b08458e1af0398b4a048c47d",
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    "signer": "0x18fB4D3fA7B11f57452d736433C9B5373E0AfE98",
    "userId": "359136613"
  }
}