{
  "manageEntity": {
    "action": "Download",
    "entityId": "118945686",
    "entityType": "Track",
    "nonce": "0x6054257bb7d13224a86c2ba3911966a0a1274dd4c177e5a68d6540c1b187a70e",
    "signature": "0xd59a0a105f21f316efd087cdd7c3c70538d50146f59221e5ef1b220f2f1f738c69dff311b938eae6d030e8dc9c56fb8bcae83bf91b20f5a1b6a4a22aeb3614ca1c",
    "signer": "0xB80ce77280D3223161FA0C572603E2Aaae69d447",
    "userId": "173412736"
  }
}