{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1576139000",
    "entityType": "Track",
    "nonce": "0x0228cbfa42ba4d9445d9523f58ee30c4a11122eef708d59a07c25f16e6ab50b5",
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    "signer": "0x7fA09E003B5Da2e7DB1Fb264A157D3B4519A16bc",
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  }
}