{
  "manageEntity": {
    "action": "Download",
    "entityId": "1450008658",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"city\":\"Brooklyn\",\"region\":\"New York\",\"country\":\"United States\"}}",
    "nonce": "0x6913fcd133d6fc736e5c23b64816881da9062871a7b515d6fe8d4f333cc62179",
    "signature": "0x3ce253134eabbc543123e3cb354d982692daf46e05e17d14c48535a9d8bae60725b1d91da32f5b8e06fa2257ff41ec531fbcfea10d3b7800df1ea6e649da79151b",
    "signer": "0xbde25b81B07609d2DA38c574c3631D120DB96a60",
    "userId": "2495"
  }
}