{
  "manageEntity": {
    "action": "Download",
    "entityId": "720536598",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"city\":\"London\",\"region\":\"England\",\"country\":\"United Kingdom\"}}",
    "nonce": "0xac8e36d599afe1d243dda0038dd11e3b15d9b7def4917b7c7d86a63822048b1b",
    "signature": "0x24d360bb70263ed55e49c2cf737b422a33ab40d22722c1c9c302ef08e12d5d8202d9cfe183d798969188f4cdf7fe6eaa8e5891887f2e5fe4094cd795677e75e01c",
    "signer": "0x3Fd8309A0f7E8Fb8281FABD2BC1C36d755880326",
    "userId": "534868031"
  }
}