{
  "manageEntity": {
    "action": "Download",
    "entityId": "1416946406",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"city\":\"Venray\",\"region\":\"Limburg\",\"country\":\"The Netherlands\"}}",
    "nonce": "0x687b1a84df8d0cc1f251714eefe7e502a8be639dd7e4ae28dcf0aa33056ccb4f",
    "signature": "0x01a7b440e35533b1402fd06a781e0835b411b23a8dce1862f482d2cb34b35e92207570132665f83c67a24023144538b25d21ad080570101d122a800669de62f71b",
    "signer": "0x29DA29cFDe586469112dA8593Fcb9B91e30468e1",
    "userId": "121018469"
  }
}