{
"manageEntity": {
"action": "Download",
"entityId": "258627233",
"entityType": "Track",
"metadata": "{\"cid\":\"\",\"data\":{\"city\":\"San Jose\",\"region\":\"California\",\"country\":\"United States\"}}",
"nonce": "0x680e79ce005d9c6e62f8598638b8eb605f72290532ecc70b047f9321d5864418",
"signature": "0xe159302da82b1e5aada58f622c6a8d090bfe9d7292c502a70e821f5f8a3bd8bc618fbfadcad58f8869faeeea5912a9ae546d378e2488717fbfc9ced1af1eb3201c",
"signer": "0x6CDd0c0FFBA25fF3A1e67aFb0149c464d2220E65",
"userId": "675469944"
}
}