{
  "manageEntity": {
    "action": "Delete",
    "entityId": "464070117",
    "entityType": "Track",
    "nonce": "0x683c0161765ad1455374d65c68ecad299288136ad2e125d50ed36f9d5d50f202",
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    "signer": "0x98F4295af45c93F3802F70FC0811654a74df1e73",
    "userId": "715160400"
  }
}