{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1635824590",
    "entityType": "Track",
    "nonce": "0x574274dbc64229a431fdee91d92c53cceb0672ba304b61d4ca8b0098bd6df4d2",
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    "signer": "0x5458796027aD8A259861E2C65ECFD1B027e9E8fA",
    "userId": "42614"
  }
}