{
  "manageEntity": {
    "action": "Delete",
    "entityId": "329834143",
    "entityType": "Track",
    "nonce": "0xbc12daea90ee408dfdfa92a8d65823e6728212ea8f48a9851e715248f7207cea",
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    "signer": "0x4760a99eFF6e0AAAdbB76a89f32a78c2f0AaFBB4",
    "userId": "38448"
  }
}