{
  "manageEntity": {
    "action": "Download",
    "entityId": "56571778",
    "entityType": "Track",
    "nonce": "0x201d8f686ed69ae0ff3c8b1f5f2a8267bea6210e76f4a15c476468f6de4fd0cd",
    "signature": "0x909a5966e592ce5ed9a419268fceedb729c81055c133593b3f3139275bd76818786bc6455f0604306a6a8eac797f28ebc4d0bd2fdd92309e5e78b240e0a06c771b",
    "signer": "0x04962f9c9ed2822e7300B501c514BA527949A990",
    "userId": "70386"
  }
}