{
  "manageEntity": {
    "action": "Delete",
    "entityId": "157505653",
    "entityType": "Track",
    "nonce": "0xba43b8f0fdf1e49bcbcd461c312e036e8b57e377a44ffda46d8c4b16f87547b0",
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    "signer": "0xf3BcA53FBA265774b7d4cd806361400e3c5F3526",
    "userId": "716430369"
  }
}