{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1621078439",
    "entityType": "Track",
    "nonce": "0x842d834fa1a862b1be7f0b52dbbc7556b44221e847b94abca63b24822e5f20af",
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    "signer": "0x5440c29276C58761A1C9fac1CF686DACF3AF49b0",
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  }
}