{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1328588520",
    "entityType": "Track",
    "nonce": "0xafc4ca999a0308466b01411bc359f649c70d5431f19a92f14c7f63cc9baf5bf2",
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    "signer": "0xCaE1ee7dc4DB493ceab857fd89C09fA305C4c5d4",
    "userId": "648743045"
  }
}