{
  "manageEntity": {
    "action": "Delete",
    "entityId": "399599959",
    "entityType": "Track",
    "nonce": "0xeea5cc0f255b6c16265accf35ac09dd7da250e73eecb45d23998005777984b88",
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    "signer": "0x086d965C79e3B8e6137f6e832ca894e8c012e3bF",
    "userId": "845727327"
  }
}