{
"manageEntity": {
"action": "Download",
"entityId": "960912420",
"entityType": "Track",
"metadata": "{\"cid\":\"\",\"data\":{}}",
"nonce": "0x1d42d64f7186effb1f1eaf2aea4e60716cf614a91579b5cebfe0acfa55767cf5",
"signature": "0xadf0146af8bb359c5c5d1295f7e47742dd44dc63f5e407d515bd7654d407b74915f3374dfceefef39bd8fabd448ebb4fb6a5b5793a86bf54389bc4f2d1fb68011c",
"signer": "0x72119e5C4B7Ce3C0c856D159A264C02FA71570DF",
"userId": "80047"
}
}