{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1307724628",
    "entityType": "Track",
    "nonce": "0x57383eb91d3c7becb045f2befe70100af67e4260dd1cc828b6bdf02651e48b51",
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    "signer": "0xc11D28404f39623f2A0d9D9eC6D9E5e4C8e06fEb",
    "userId": "563998093"
  }
}