{
  "manageEntity": {
    "action": "Delete",
    "entityId": "972601409",
    "entityType": "Track",
    "nonce": "0xdfe0bc0cd8e54fa374413e4a5dc0262f0522bb532b9ff2532373ea9eb68c19fc",
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    "signer": "0x1CFCc9DCCfd0CC65cA79f62F4e0ca0166359C927",
    "userId": "103438059"
  }
}