{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1144904144",
    "entityType": "Track",
    "nonce": "0xeca20262b2c9b653446471fb5eb199d253d6f7500216799a0d86f8acd73dc078",
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    "signer": "0xdec63a335044C1b6E3F26B8aCF5334a973E79e00",
    "userId": "178077512"
  }
}