{
  "manageEntity": {
    "action": "Download",
    "entityId": "249815819",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"city\":\"Frankfurt am Main\",\"region\":\"Hesse\",\"country\":\"Germany\"}}",
    "nonce": "0xc29ae39c0616a7789fc4894e5d36467c5755346c381eb7e93e64f8233583dc2b",
    "signature": "0x58f915de772eaa04b1a57152100f7cd33f71770e3bb3e9e745d9744792e9db447e6cb7da8e5d7f504245c8ed06150aafcdcf08030436d7ef5dd62456e0ad473e1b",
    "signer": "0x9Ff198C050052c6716baf98295D3A358369dA9fC",
    "userId": "516745087"
  }
}