{
  "manageEntity": {
    "action": "Create",
    "entityId": "721069145",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":721069145,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Experimental\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":null,\"mood\":\"Sophisticated\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"release_date\":\"2026-05-20T18:15:22.000Z\",\"tags\":\"vaporwave,vapor,plunderphonics,dreamcore\",\"title\":\"09 - Gainsbourg_z Paradox\",\"duration\":272,\"audio_upload_id\":\"4558d0acd414b94cacfe63a7e13a0703\",\"track_cid\":\"baeaaaiqsebseldqmnkhmldhp2oaacixa6njlrtevf3mmc3uj2tkk7v6bzdyfu\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseann642xpuj2dqlufjyeg2smdrlfjaal3hc6rjoyoejplvrj44cwi\",\"orig_filename\":\"09 - Gainsbourg_z Paradox.mp3\",\"is_downloadable\":true,\"is_original_available\":false,\"is_playlist_upload\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":130,\"is_custom_bpm\":false,\"musical_key\":\"E major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":381576190,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsecnqea5et5kkkvinvjlldwakxalqmbdnyciupjf7bt5is7h5aewka\"}}",
    "nonce": "0x94427eaef5c6b4a1527dbc5b94fd97b1ef4b7cc2ccff27c3c4577b4bc4c7219c",
    "signature": "0x2e4ccace2a3509484930a44f39fed6320d0a8c0df8bf50e185519b62716531ff72797eb66ad44cac3b812a0936e4a6ae6ded2d8f0fd5a8337891d4b038c618e51b",
    "signer": "0x49368dB15B9A78dF090195AD4338818bfA70C88A",
    "userId": "381576190"
  }
}