{
  "manageEntity": {
    "action": "Download",
    "entityId": "1561285586",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"city\":\"Buenos Aires\",\"region\":\"Buenos Aires F.D.\",\"country\":\"Argentina\"}}",
    "nonce": "0xa17257fe8aeff916e427b3a2068fa3820ad0e28b66af14ed1b3f44167f63b599",
    "signature": "0x9a0ea07eb4bd000a79648ce52efd5c69b49f9d9aab363cf520a3d333f8ad5f34586e25ee8930e23fbde5fc10ac4f9e82ebab3913417123d6af1c59592175c83d1b",
    "signer": "0x9f626266e85130670e9C002080890a798eEF36E4",
    "userId": "649996433"
  }
}