{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1486436077",
    "entityType": "Track",
    "nonce": "0x4eee6755aec455c404ef29f18f033dbf24eaae2880a1472f62ebdca7b1b06ec8",
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    "signer": "0x1C8c89739C401DAc618b97Aa5bee6327b061a7ce",
    "userId": "376468"
  }
}