{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1476449232",
    "entityType": "Track",
    "nonce": "0x94dd614e2fb75fbe1b3c46c3f05a8c9ee811e607e65b85082fa2b0d16129058b",
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    "signer": "0x3B446829846E4Dff44d7a596d5B5E2e7F6f2A2F9",
    "userId": "784506004"
  }
}