{
  "manageEntity": {
    "action": "Delete",
    "entityId": "145630992",
    "entityType": "Track",
    "nonce": "0x4c0e5cca64c8f891afb311337e61864933a91203d2a465f141f066068bf435b9",
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    "signer": "0x68A81e244373071022906C5BEF0bcE468cFceEF0",
    "userId": "67066"
  }
}