{
  "manageEntity": {
    "action": "Download",
    "entityId": "44236951",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"city\":\"Cologne\",\"region\":\"North Rhine-Westphalia\",\"country\":\"Germany\"}}",
    "nonce": "0x6a5b81fc4536c09d974c15389807a6ab78ef929c447b33208bbf81f542878ddb",
    "signature": "0x57b1e415215e5d8567115a594bbffc047350e961bad2414dc2ce9ef8d46780ab2fea1b9902aec124284735db047a39a4e99054920ef7d9f2cf07289b4f8de2e11b",
    "signer": "0xB80ce77280D3223161FA0C572603E2Aaae69d447",
    "userId": "173412736"
  }
}