{
  "manageEntity": {
    "action": "Delete",
    "entityId": "659157281",
    "entityType": "Track",
    "nonce": "0x2ca8359095996e05a74652b77fba333bb7df834f2fc8492c0a1f56f39b3c90c3",
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    "signer": "0x752C90C920139AF65038fD352aCb4C538F644549",
    "userId": "378729142"
  }
}