{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1073210761",
    "entityType": "Track",
    "nonce": "0x002c29f67bcab1bcfc1611756d7d4c972e39d016c5f3326e665eb5c258dafc43",
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    "signer": "0x8494040f7CA6D76959aA4DB202859d635C23147e",
    "userId": "668388673"
  }
}