{
  "manageEntity": {
    "action": "Create",
    "entityId": "880552095",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":880552095,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Hip-Hop/Rap\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":null,\"mood\":\"Energizing\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"japanesehiphop,audition\",\"title\":\"Neetz_Short\",\"duration\":110,\"audio_upload_id\":\"ad5e8f104adf8b07478288ead9a6a21e\",\"track_cid\":\"baeaaaiqseauytcihwoa675f42ucvmposgjofaat7unlhapqhdiqxxvc22ausy\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsedqxnxbhtqkblj6p2xcgwcjxevqp2wrty6pex6dauk7r3llverqvk\",\"orig_filename\":\"Neetz_Short.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":90,\"is_custom_bpm\":false,\"musical_key\":\"F minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":776638940,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsedaom2p5lec3rl5upqpjew2yhe7koqfevg756wmvesc4nshaqhmdw\"}}",
    "nonce": "0x39068fe391563e3fbe0c8d53400be3aa7465cca6327ba6048f6b40a984f98163",
    "signature": "0xcf3cd886bf978835ff9b28ec28ce92500740be8bf10353c9e5531694e65248ee1b669ff857abe094f9d5faf2f806785268c33a111a990d4aef58064497dff4491b",
    "signer": "0x8805bd4bff46C7064BBabe4db2304381C2147Efa",
    "userId": "776638940"
  }
}