{
  "manageEntity": {
    "action": "Update",
    "entityId": "382425628",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"owner_id\":42634173,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Electronic\",\"stream_conditions\":null,\"download_conditions\":null,\"track_cid\":\"\",\"preview_cid\":\"\",\"orig_file_cid\":\"\",\"is_downloadable\":false,\"ddex_app\":\"\"}}",
    "nonce": "0x8cef8013037b97595e461cfa921136a3abbaee3e3dfb7833823c8f3e30c37056",
    "signature": "0x8b65bb8c65958bd891ea8c1ff8f7026c356f41086e64f95b9d52e8e06b6c7f161022e096aac025dc4764a47ed9b6a0d8540c8367470f4c180e0051a90f63f0801b",
    "signer": "0x18a7B3405E81900d8aF72d98D5f2C54e2C988f9b",
    "userId": "42634173"
  }
}