{
  "manageEntity": {
    "action": "Download",
    "entityId": "1416946406",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"city\":\"Las Vegas\",\"region\":\"Nevada\",\"country\":\"United States\"}}",
    "nonce": "0x4554d54aa2fdffb7f2fbfa3c7c8925567c254750cb8f8597d7cef71d3620d379",
    "signature": "0xa1bbe9c227fde0cf1ac0836fe14291fff4b955fecc5d2b91fa0b060a2894335a7ac7d21873c88fc91d881ef9989e7b5b866ad6d93e9b21a770b5ece1c30638ad1b",
    "signer": "0xf3BcA53FBA265774b7d4cd806361400e3c5F3526",
    "userId": "716430369"
  }
}