{
  "manageEntity": {
    "action": "Download",
    "entityId": "1550537754",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"city\":\"San Antonio\",\"region\":\"Texas\",\"country\":\"United States\"}}",
    "nonce": "0x7cdf31e3e343fbc35421ff9634ea322546f32eed05b0703fe8183d615fa105fc",
    "signature": "0x2b6829cb6a76b54fed6af955055cf3554a107f758cf78c42fa86df874e6c4ef46fc2539f66dbdf46b69f535398587a993529ec9612a1a4000b438a3d1fe8211f1b",
    "signer": "0x82CDE0C859Ad28761a9F410F93a7659f6d4e60Cb",
    "userId": "106851"
  }
}