{
  "manageEntity": {
    "action": "Delete",
    "entityId": "591507300",
    "entityType": "Track",
    "nonce": "0x9bf2ddb90d205013bfce04df387bf617b732674c08e3a186d99b617d6e78b76f",
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    "signer": "0xfa56a6A4EC30B5A84B608c47da5C182E42Ff26cf",
    "userId": "990052786"
  }
}