{
  "manageEntity": {
    "action": "Download",
    "entityId": "499764307",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"city\":\"Jaco\",\"region\":\"Puntarenas Province\",\"country\":\"Costa Rica\"}}",
    "nonce": "0xb4ebb1a3770fd6538621b8a263a5500959c8423702bd477ab31987be08a8785b",
    "signature": "0x1fc81d74e2e8261a0c735d9f6f67cea00a31b128a7099ae8fbb74ec9cf54b6e77a1b77cdd8245a0ec447a7eec7d43d6ec74b58ff86058637ef0f39ac48fe77b81c",
    "signer": "0x983B834EEB2c355EaD77E7F76138adb8b56faF18",
    "userId": "442086440"
  }
}