{
  "manageEntity": {
    "action": "Download",
    "entityId": "514437464",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"city\":\"Atlanta\",\"region\":\"Georgia\",\"country\":\"United States\"}}",
    "nonce": "0xf75fabf0fe80485012fa3e53ce0a78e24e4541fa123e23f5bb3876697a47fa79",
    "signature": "0x35822991cfbc773187261f1f64f0b0726378c0deffc770a8381dd07c797b5c9078bcf52eb7449daf328ac16297b0136ef02e90f9d9eeb9316ee598285e15aaee1b",
    "signer": "0x6108b24159cCC5f743aD888ecff4BE2783b248D6",
    "userId": "909878454"
  }
}