{
  "manageEntity": {
    "action": "Delete",
    "entityId": "456776392",
    "entityType": "Track",
    "nonce": "0x13e15d72a3296e49a789537fdc511316dbc5a5ba321cbf45045409076dd56cfb",
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    "signer": "0x87CDc449c3B7d5C3F615196A0578dc8949A7BA9F",
    "userId": "93602"
  }
}