{
  "manageEntity": {
    "action": "Create",
    "entityId": "118485079",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":118485079,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Hip-Hop/Rap\",\"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\":\"01_gyoubou0823\",\"duration\":167,\"audio_upload_id\":\"d1b423b12d9e8ee1a18aba284f21553e\",\"track_cid\":\"baeaaaiqsed5fkhz7kg3v7biohivjkfzrtiygcg7xc4yffiq4ve7qsrs3lgats\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseckdwvw4s2wgrl3oa2vrupqdqwi64t3qidtaea6ffekl434cz6ob4\",\"orig_filename\":\"01_gyoubou0823.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":100,\"is_custom_bpm\":false,\"musical_key\":\"D flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":218692613,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsed7wymzzt4qfjaeo5wumuzuv5lwa7g3dpvmhiuh2qf5x4b7rlgezm\"}}",
    "nonce": "0xa55aee9030d6949cd50e0d93c1ff9bd8236f0b3049ae654a808232f1df276ad1",
    "signature": "0x8fe2e657ad959d06316604f44fa58c68edd5417fc56faf04ffd5f5f2c97b717a22eac11e4261dd83aa1177a509229a69fc866ebd38a3ab96d037fd5037bdd0d61c",
    "signer": "0x6CDDC7B674Dd0fbE8fB2850B79b97aA2A37Aa071",
    "userId": "218692613"
  }
}