{
  "manageEntity": {
    "action": "Delete",
    "entityId": "663914588",
    "entityType": "Track",
    "nonce": "0x7d82db1158d67fcdd8acc9b214f1ba069c746202d827dc581c8d43f024393a2d",
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    "signer": "0xeAeC84d46E38F75c8216e3037a11fc41D98346fD",
    "userId": "179898534"
  }
}