{
  "manageEntity": {
    "action": "Delete",
    "entityId": "615311",
    "entityType": "Track",
    "nonce": "0x26798bfcf7ba36f92df5a1181cddeff6a8ee62e365822b53e3c1588b8c3b0fa0",
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    "signer": "0x6e9C5B9b53E6B0262A1F0e7D522171B38207717B",
    "userId": "152611"
  }
}