{
  "manageEntity": {
    "action": "Download",
    "entityId": "1324290843",
    "entityType": "Track",
    "nonce": "0xb2320dd80adebc04fa0a5f6a5ce15f20f3cd5d2e0085cacf0a179c7f8bd3ce95",
    "signature": "0xb02e89fc8f66fa2e8b46f958d263e7efc1a8e2967da5192810e06ece2874e8b500cdc6a1b3fd14b52307bb61371eecf10299d1fb10b079080ff5ed01c3b3fb681b",
    "signer": "0x1eD5daf6257802F2F358696D4Cb0Ff78743A90f7",
    "userId": "11328066"
  }
}