{
  "manageEntity": {
    "action": "Delete",
    "entityId": "297828650",
    "entityType": "Track",
    "nonce": "0xc4f8e326fb4c0bf66d4ad07af730b477e16f436849d70f9354d16ab09dd449f0",
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    "signer": "0x3cc3BbB11F960D34352a58591FEbF76ffCd52817",
    "userId": "128055489"
  }
}