{
  "manageEntity": {
    "action": "Download",
    "entityId": "349501913",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"city\":\"Cairo\",\"region\":\"Cairo\",\"country\":\"Egypt\"}}",
    "nonce": "0x5e3a2c67fd133a9c3a3ab7390a2fc3fbe5fa6b907f0a9de5e03436da1ec44f3f",
    "signature": "0x5f2c01d43e5a195115f8f068c3ad2d7396aaa24097abfa703f78db71ac0d8c1512213e7194ddda4bda5d7dd424137e463c6a40a0890a23116e1bd5ba4aaf391a1b",
    "signer": "0x0a4703433ED3853DcD9f9584e772462c5F1b2C10",
    "userId": "902196121"
  }
}