{
  "manageEntity": {
    "action": "Delete",
    "entityId": "546288587",
    "entityType": "Track",
    "nonce": "0x29f3ed7fb7c4c328b8850a00dd57e71febd3da73d1adb801fa237bc648a625ae",
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    "signer": "0x6CDDC7B674Dd0fbE8fB2850B79b97aA2A37Aa071",
    "userId": "218692613"
  }
}