{
  "manageEntity": {
    "action": "Delete",
    "entityId": "346373",
    "entityType": "Track",
    "nonce": "0x9e1b0c69a3f872f39f4a843d20c4ebd7823ab52c4fb2645b9492fa288a2e6dca",
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    "signer": "0x22cD55ce2AB44535d17f92BDb6237E4863D5E1fb",
    "userId": "145166"
  }
}