{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x9afc62cac7574691b45953aa4c9ffecc8d7b59dfeb6dbbf28de4347df19e277c",
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    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}