{
  "manageEntity": {
    "action": "Delete",
    "entityId": "643503038",
    "entityType": "Track",
    "nonce": "0x9f6fa23781c9b078559ee048e0e48dd5e7c53705531587eae758bfa0114e7677",
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    "signer": "0x98F4295af45c93F3802F70FC0811654a74df1e73",
    "userId": "715160400"
  }
}