{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1244415038",
    "entityType": "Track",
    "nonce": "0x72dc11f41f2bbcdb8ce644795cb0b50ee4aaf902376a1036dccdb31051211c49",
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    "signer": "0x6C1EF2E9c33E2ba1c0d352e41e06e8a3C7721C6f",
    "userId": "28561"
  }
}