{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1523282009",
    "entityType": "Track",
    "nonce": "0x89ecab49eeb454f2c8729326a5202af1e563aff9faf580171a962cb6b0d39a23",
    "signature": "0x4b7077354756d8f0731016176dad4edbf161f6782faba2c7a882f695a6d4988c650e975c94c5aa7c0c775ef6b40b4410b6424a041b66ccf26d6ec088395af19e1b",
    "signer": "0x930a57745250520557f3714a03C18A1b393DdDC5",
    "userId": "763693139"
  }
}