{
  "manageEntity": {
    "action": "Delete",
    "entityId": "352528276",
    "entityType": "Track",
    "nonce": "0x94c919dca69bb39b21024467acc6f0fb29f1ac0d65776d6f5af7d6311b6d9e5a",
    "signature": "0x195a246bd16e32ab38fc9417226c1fb4216094feaa089a54d6c808fe095ad3ff4e48401cbccd29f7d87a643ffc770a76c2ab5c5ee825c1858baa210da88128851c",
    "signer": "0xB1fdb4211728Aa91cA335811E0eAaD06b27686e4",
    "userId": "135129254"
  }
}