{
  "manageEntity": {
    "action": "Create",
    "entityId": "144948511",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":144948511,\"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\":\"Cool\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"release_date\":\"2026-04-16T02:41:00.000Z\",\"tags\":\"idm,lofi,beats,electronic,festival,hype\",\"title\":\"ATTAKA!\",\"duration\":442,\"audio_upload_id\":\"e606ff58055e23c9431d956f5fe45bc7\",\"track_cid\":\"baeaaaiqseascoo6lxulohotwizd4wydrhtmulaxa272oefalppvuw2b4xodyu\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsecics6r4xkqcla43ndxxes7c6e4sjopzjz6ruqmoft2nufnaonnyi\",\"orig_filename\":\"ATTAKA! (master revised).wav\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":105,\"is_custom_bpm\":false,\"musical_key\":\"F minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":8523,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsedtqamilcz6do47hdjqexsywkxjvghyy3fdqoyrvvc7fqu5gt42rc\"}}",
    "nonce": "0xd0c69d02052da6ea843e40dcb2b972642079ae6ee597866c1f67a3bd760aaeee",
    "signature": "0x9db9ac0ed464fccb7d37a7b462b2ae7d5e3ab05225388f0b939f0a075826f26e732a9de5f969e531404f541e08b70f5533ae2195fae65ed8deb61fcb01d9a50f1b",
    "signer": "0x073D7e00BAc7Ec00471392993d9CA27487A67A75",
    "userId": "8523"
  }
}