{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1392573895",
    "entityType": "Track",
    "nonce": "0x183a9fab5dd96c04883b87c86d3e75151d124871c36f3d6ead2363418792c4a1",
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    "signer": "0xa0296C0d9dBF48F59f5B684384F300CF910382C8",
    "userId": "139906343"
  }
}