{
  "manageEntity": {
    "action": "Download",
    "entityId": "305533",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"city\":\"Calgary\",\"region\":\"Alberta\",\"country\":\"Canada\"}}",
    "nonce": "0x75eac794f3c75ceb7186d7643de340ce601e2d6c3e28c3c574a91b954687c7ce",
    "signature": "0xce103482a13efe8648fb71c8b3ab57411e9292538b1bf86f55d5a962e6dd93a84e9a86707a537d2202b9418dce3a653a854f4f8f4004ae5cc2292dade45cabd31c",
    "signer": "0xca179e2504013f012d6b9328fAa6eF6Df54FE38E",
    "userId": "384424370"
  }
}