{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1776602020",
    "entityType": "Track",
    "nonce": "0x97becba211c47d87110ac63d29bf117211f3a8ceef5113535671ac60fc5586c9",
    "signature": "0x72ad5bf8cc5b0630defc7f33cd3a8986968ee18bec81477554e3fb6a90b2a887341b416e3130eb85b3645247de577b73b27469ce8e615fd5c5142f962bf0d4791b",
    "signer": "0x18a7B3405E81900d8aF72d98D5f2C54e2C988f9b",
    "userId": "42634173"
  }
}