{
  "manageEntity": {
    "action": "Delete",
    "entityId": "423214",
    "entityType": "Track",
    "nonce": "0x008025dd4c980bd6f3173c9182cf7af50c0b492553a16c6005be995aca643022",
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    "signer": "0x96c356dEff57c7855fbe778D304EdCb5109724F6",
    "userId": "78875"
  }
}