{
  "manageEntity": {
    "action": "Download",
    "entityId": "1192103401",
    "entityType": "Track",
    "nonce": "0x38d4acbe5c7774c5a5b70c16ac7a604b7a91db49a8bc7dfda6d1f5b2f184080d",
    "signature": "0x107b15af599d2084dac0510ec4601c6230addff6eb5f7e0ac61dc050459ea19137eb0bb4b9b8cc77adaa1efd4f083ffa661c7f94a878abe4e10b857fa82506031c",
    "signer": "0x26533aa9EdEf3647F06cd135f341B7a70A3B7d59",
    "userId": "355733"
  }
}