{
  "manageEntity": {
    "action": "Download",
    "entityId": "816830818",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"city\":\"Seattle\",\"region\":\"Washington\",\"country\":\"United States\"}}",
    "nonce": "0x5d974d9ce2739d61cbb1ec6b34467764a8623b7373fcef9e4b3c544071d08036",
    "signature": "0x91a367890efdf9895225b013d238f00d72c35c136c281a94dc69097058d55e0c18f85a3e8755ed4bb1697b4ba279981d002914677ac20aa34541a7b2f0be00911b",
    "signer": "0xdAe27B20BF3639989Bd99E76811FEF26BEa4Cc49",
    "userId": "176556"
  }
}