{
  "manageEntity": {
    "action": "Download",
    "entityId": "2114475389",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{}}",
    "nonce": "0x3a812550827a93027bc5cf8f3c5b08d1b5a3938d9f91f4498e604d7aa79089d1",
    "signature": "0x925378b9022aab870a4936ea06d0ad9313ea9f76e11677ca9e2359d379f3b79d5a74f6cddc0b409987399fa67fe83653e9179d6556c12390a8df3c4b9308c2cc1c",
    "signer": "0xf3BcA53FBA265774b7d4cd806361400e3c5F3526",
    "userId": "716430369"
  }
}