{
  "manageEntity": {
    "action": "Delete",
    "entityId": "12021226",
    "entityType": "Track",
    "nonce": "0x8de44bd5e8475baa631f62c104bb8a56ace3b8fc10aaaada7b391dd3fe1c798a",
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    "signer": "0xBA54BE62817917A6840BA4fafd74Ba3F102Cc090",
    "userId": "499966629"
  }
}