{
  "manageEntity": {
    "action": "Download",
    "entityId": "1623466539",
    "entityType": "Track",
    "nonce": "0x1317b21f978fb7e2cc5cb1143ece31f501c0ec02ac8f8da1d9c81c99bb1cf074",
    "signature": "0x7bb8ba53a20197cb7f5a39169aa57bcbb8de39a80dac22186955e3482e8bb3a65008a8ab6c42975e0dae86b57a467502cb5ecc082b526ca2c23ebc8b6cb5bedd1c",
    "signer": "0xd1c9079e1A90803D5dda707982af8EFE69ba4aec",
    "userId": "109883317"
  }
}