{
  "manageEntity": {
    "action": "Delete",
    "entityId": "675783",
    "entityType": "Track",
    "nonce": "0x21ba6f31d51f4f13048ca84e6087020650108cb159e50f768d55a1dd0cd8a459",
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    "signer": "0xeaB5bA915CD70ea5eE28B718C5b7315ae94Fa9D6",
    "userId": "109957"
  }
}