{
  "manageEntity": {
    "action": "Create",
    "entityId": "383711779",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":383711779,\"description\":\"tesstt\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Electronic\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"test01\",\"duration\":24,\"audio_upload_id\":\"6ffc48f71ffad13b247c2a3ce345effe\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseaucovx26uznfcjpha32yq2tkogwckorcrkwl65c4pmns5fs7d6ds\",\"orig_filename\":\"test01.flac\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":95,\"is_custom_bpm\":false,\"musical_key\":\"G flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":712229975,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsec6zfc3vqbcrpri5sm3vcdd6m7cq2nzvcqpfhyu4gpqai6suvxstc\"}}",
    "nonce": "0xe0f1fb9525a1bce3ad11d038b441120a4395b247c4dda204c287c76fbb1bff27",
    "signature": "0xe5d3facfe4a3f3c298056ea0ff7c75257ba84ba3b9132591651a76c9db988eaa330583872c1d7027fe8aeb30bb8338a99107c31521da3bf97b784a67cad8f2ce1c",
    "signer": "0xb72e8a3DA14D2C1755c1F80FFdC075DB6260c697",
    "userId": "712229975"
  }
}