{
  "manageEntity": {
    "action": "Delete",
    "entityId": "838621911",
    "entityType": "Track",
    "nonce": "0xa62396d74c4bd1aa74914ea5ad238dc80845e08e59d9b3dc1e9c46ee6898b941",
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    "signer": "0xE9A962d4b482e60cA928c7929B1CeC6954dAa660",
    "userId": "617238940"
  }
}