{
  "manageEntity": {
    "action": "Download",
    "entityId": "1335334059",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"city\":\"Arlington\",\"region\":\"Virginia\",\"country\":\"United States\"}}",
    "nonce": "0x1027540465f2b9b0242f58654298f2c1e03c05d256fbd440b158a38658e0a909",
    "signature": "0xd01badb63187ab7e0b97f5283e3a4827b5c6cbd155b103f1c0f3a0f8cdfc57066b30a980d755104bf426a98745f3c2ce596806f34f9ae243684bd3864e1b07801b",
    "signer": "0xc7Fa9D9de4Adb976dEa68BCaDE8D5825D337ef91",
    "userId": "620440719"
  }
}