{
  "manageEntity": {
    "action": "Delete",
    "entityId": "143394363",
    "entityType": "Track",
    "nonce": "0x5a9ba08144ac95b60b36f64a9a72163ab8f147b49543e7a7f09942720f521fd6",
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    "signer": "0x04032370f473D46Aa4C598fc52366c5fB5915f04",
    "userId": "116136"
  }
}