{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1449099726",
    "entityType": "Track",
    "nonce": "0xbd4604b834306c8c7115fa087594d3df895ed50766da7fbe3b53b5e157f9a73c",
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    "signer": "0x1E0F733C9A7ba6e94c7e433cb0BE95930ceE71d5",
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  }
}