{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1225517219",
    "entityType": "Track",
    "nonce": "0x59f67c202cb10c748280d83f293f0a757b2a553adbc0f09622766ab4b4ea603d",
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    "signer": "0x98F4295af45c93F3802F70FC0811654a74df1e73",
    "userId": "715160400"
  }
}