{
  "manageEntity": {
    "action": "Delete",
    "entityId": "544784",
    "entityType": "Track",
    "nonce": "0xc6cd6e9e0b3637c24cf814ff6741eac838a3b73a70ad472b1b9411cccae60751",
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    "signer": "0x5C13CD392EcB86FaceF8A07FC5B300833E86cD23",
    "userId": "167249"
  }
}