{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1899696858",
    "entityType": "Track",
    "nonce": "0xbc1b100e5b1d74c6b5e0c4f29914cc0abc1d340a89e9c7f4f05c5ad3822090b3",
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    "signer": "0xf3BcA53FBA265774b7d4cd806361400e3c5F3526",
    "userId": "716430369"
  }
}