{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1257979478",
    "entityType": "Track",
    "nonce": "0x0911d9a6fb550a1707168235fdab1e56fcafb828e0533b422d353b237f9fd741",
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    "signer": "0xb72e8a3DA14D2C1755c1F80FFdC075DB6260c697",
    "userId": "712229975"
  }
}