{
"manageEntity": {
"action": "Download",
"entityId": "959135510",
"entityType": "Track",
"metadata": "{\"cid\":\"\",\"data\":{\"city\":\"San Jose\",\"region\":\"California\",\"country\":\"United States\"}}",
"nonce": "0x7d89b06787bb583ed085d87e91b35ada014c785ae5c7bdfb2ce73aba09072368",
"signature": "0x6948addc98bc7238179ceb3d2b34e503f67414f8d249498f8de81cb9482bc7fb4d2d8a420949ae394295a252905b3cdec1487ab4949f0f5c59c24bcf03b988751b",
"signer": "0x6CDd0c0FFBA25fF3A1e67aFb0149c464d2220E65",
"userId": "675469944"
}
}