{
  "manageEntity": {
    "action": "Create",
    "entityId": "1454357510",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1454357510,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Experimental\",\"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\":\"mini 158 uk huron bass micro 354 s waves\",\"duration\":200,\"audio_upload_id\":\"f452f608b2898cd32222ded7a9d16c7e\",\"track_cid\":\"baeaaaiqsecf5fd4l6dz7xdneb2v4ovamgmgj6vd5ahp6c6fhjqzbeo2hhniw4\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsedirgnjjer5s53tlglohlr4xtpgp3aq5mn6ehy5pmeedrymr35jwa\",\"orig_filename\":\"mini 158 uk huron bass micro 354 s waves.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":115,\"is_custom_bpm\":false,\"musical_key\":\"F major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":605741040,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebchiffuhvvmsa4k6a6sxoelnkdfkfxok4pbb7cxfxort2givbijo\"}}",
    "nonce": "0x5585117e40708ee33875485854a626b0e50b66e93dd0ebf3cf1af46491087ace",
    "signature": "0x9d913edd1ae8807a05b99c0208a97b8dae7ebb4ed4815917b7e6d58c6c6fe3d55e9567818bc851fe9ac98d13db4e8b3089a2d3f3f1755789dd01a54ee4dd54151b",
    "signer": "0x681F2f604eF1d9F3E49bfEdd630766D369AbaaFf",
    "userId": "605741040"
  }
}