{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1575427071",
    "entityType": "Track",
    "nonce": "0x6d4e59efde70006d85ea021d707d38dea74c4d73509c7ba4a4bebea52caf3b9f",
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    "signer": "0x7Ca2A7892344fe74543ba6D63Fc99f33f4fA0dE6",
    "userId": "56120"
  }
}