{
  "manageEntity": {
    "action": "Download",
    "entityId": "1758639272",
    "entityType": "Track",
    "nonce": "0x77429b75312e684448e457bcbbef6e6b31ada7c78ab4699623ea631bf2568d83",
    "signature": "0x7f5c2191ea6be40373003acc0272a1f0bbb6b4adde6afaf35fdbf16c842068126dd9d12c7e56166b52802ece25901b36f3a1cf597ad6e66f0a6d193c31df202b1c",
    "signer": "0x294daC16dFcbF15081f943d1E33337f2F4F16d1c",
    "userId": "70812"
  }
}