{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "870640566",
    "entityType": "Notification",
    "nonce": "0x7c39f814301619ed9b6c2a5a792bc8cb23b4da80c33cc737c87bcb7a0bd4e92f",
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    "signer": "0xC0E31aa3da2f4D108C94a5CfaD902F8418e330E9",
    "userId": "479914536"
  }
}