{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1495360439",
    "entityType": "Track",
    "nonce": "0x66b31dfb9533d92cdbb53ca2a8a59eeb35763a90aba2a348cc612230a3794117",
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    "signer": "0x68993aB65DA349970c812E833CC387667F61b7a5",
    "userId": "590052416"
  }
}