{
  "manageEntity": {
    "action": "Delete",
    "entityId": "348163",
    "entityType": "Track",
    "nonce": "0x391f0ebca4115f603399b0d8809eb5ff67302d6f56527d8ba32878c5169ec35a",
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    "signer": "0x80Fdc6c8bE7AD86dFa443565c9d197377B5aec1b",
    "userId": "145842"
  }
}