{
  "manageEntity": {
    "action": "Create",
    "entityId": "676466482",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":676466482,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Vaporwave\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"mood\":\"Melancholy\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"?(nostalgia)?\",\"duration\":300,\"audio_upload_id\":\"71f91de9e3ae5092dc04cee026f62764\",\"track_cid\":\"baeaaaiqsed3on6ja7ihdxm634og4ccpnoemw3dlbnv4uywqfhdwplopouqim4\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsecsgho5jyvic2jprmmah6i7yond6vwxh7b63nrmm2qumzdof4e2ga\",\"orig_filename\":\"interrogação.flac\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":117,\"is_custom_bpm\":false,\"musical_key\":\"D major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":122729456,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsedc3uuclrduevzcswewk7fktnrnf6vrn4ztprwz24uxko63h3wlti\"}}",
    "nonce": "0xdb5fcf6d661ac68af32811cb984389b6b73d72bd1e9140d02330c91e257c3285",
    "signature": "0xc615a762693570ebb073cb2867ded9880231faa9af856f345747dd86b67ec20e5de64fa69dcf7ed449a55dbe275d664633d5d6d0c2a2060d6a73d0e0f10ea23f1b",
    "signer": "0xB634E0E204f06F0156e275801B9E3ccB3B10D1F6",
    "userId": "122729456"
  }
}