{
"manageEntity": {
"action": "Download",
"entityId": "1555953235",
"entityType": "Track",
"metadata": "{\"cid\":\"\",\"data\":{}}",
"nonce": "0xc986a309d5c97c27de6319072f9108dca5c54d7e4db716f2f9a73eda95baf9c5",
"signature": "0x49c69c91a3449db5a6dc1d2c2991fc98592e35e4d7010e78da90fef5089023945073b2ec46442d79aeb1ccbe586fc5ec34df5b1498b439f8af92368c78eda0781c",
"signer": "0x72119e5C4B7Ce3C0c856D159A264C02FA71570DF",
"userId": "80047"
}
}