{
  "manageEntity": {
    "action": "Delete",
    "entityId": "604225651",
    "entityType": "Track",
    "nonce": "0x09a7a760d121092a7bff2cf46e5d9f385577446f20ec8e99161cef634c72ffeb",
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    "signer": "0x3F71747895AE3124a09846D57a31978047E5bfAb",
    "userId": "374163"
  }
}