{
  "manageEntity": {
    "action": "Delete",
    "entityId": "273316492",
    "entityType": "Track",
    "nonce": "0x5cbda2bc99801dc14e8fd7b0aa7e02845fd44222ccaf7d9e8114ef60fe14dfe5",
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    "signer": "0x77dc0D687FdCf6769B72c6e7a907f005c300B0dd",
    "userId": "87862265"
  }
}