{
  "manageEntity": {
    "action": "Delete",
    "entityId": "731707437",
    "entityType": "Track",
    "nonce": "0x904d3a4ba87e122579f4d17cb5a318de3457510f9c8fdc647dd4fa582ab73292",
    "signature": "0xc518160d0c8e55e066d335344ffcd0c0294553644d1f21f85b8d99b200ed31e231fb61ffcf3cec6f0a6db737da5ab5b3844e6f46bf451050563e368dc8fda0981b",
    "signer": "0x98F4295af45c93F3802F70FC0811654a74df1e73",
    "userId": "715160400"
  }
}