{
  "manageEntity": {
    "action": "Download",
    "entityId": "780255711",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"city\":\"San Jose\",\"region\":\"California\",\"country\":\"United States\"}}",
    "nonce": "0xe2b044b13a8b67c42d630457cf8909c71de9c157abe7097149d42ddd54fda041",
    "signature": "0xa484414a8ceae34fa79778484f0cf9f39ba4c0156a8d0d9f825ed37b99cc41c10501a66b7137d6025952d9a64ad590808297f363084fc4c30c0b3e8d04356be91c",
    "signer": "0x6CDd0c0FFBA25fF3A1e67aFb0149c464d2220E65",
    "userId": "675469944"
  }
}