{
  "manageEntity": {
    "action": "Download",
    "entityId": "1951396653",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"city\":\"Jena\",\"region\":\"Thuringia\",\"country\":\"Germany\"}}",
    "nonce": "0x5270722fc6c3eab602782452a1e292ed8fba4b69451f164eb781929a395e121a",
    "signature": "0x8e1fdb7ff80adda27b1c2cf3532e375a04cf55b3b1adf15c51258772d285576236f3e9ca24e586c5af82f66e30d4f92b7c16d148ae0e6c1a051d855a0861af5b1c",
    "signer": "0x976542f9b7b69Ec458C8BCF3310e52870B0A0C8A",
    "userId": "552303848"
  }
}