{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1943678150",
    "entityType": "Track",
    "nonce": "0x43e11c7e49299bdcdb860c9c1ac67a37e24232a4fc387719e7dd5189a74b99b7",
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    "signer": "0x8d2BA121F4EbaAF950A9435e39c9A4c00A4DcbA9",
    "userId": "446384293"
  }
}