{
  "manageEntity": {
    "action": "Download",
    "entityId": "1450008658",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"city\":\"Heinola\",\"region\":\"Paijat-Hame\",\"country\":\"Finland\"}}",
    "nonce": "0xde0e3553c149c4f77182bf4face397cd7ab461be401a0ad7b900556751bdaf47",
    "signature": "0x26221c4e346f60d4dab6fc463f9ef7198afaca28c70ab189fa5904e69ed5dd563caf407e9a1ecd89ef0682fe8b46c39cdef4f7ade594d62b7fa2563fbb304a411b",
    "signer": "0x208603ea5f8A301325eECF05FcB0f8980e619b7b",
    "userId": "535885879"
  }
}