{
  "manageEntity": {
    "action": "Create",
    "entityId": "150147741",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":150147741,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Electronic\",\"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\":\"2026-04-23T12:47:26.000Z\",\"title\":\"Ground Attack (Epic Mix)\",\"duration\":192,\"audio_upload_id\":\"15910cc40b70b26132db3e484828c34e\",\"track_cid\":\"baeaaaiqseb7hfohnpzmuylppb3hbgv3fsazvqzq6vg6fiiwhofneew7vbdrsy\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseb2j6746cftetqa3pmedkt7rn3ikrliykwaky3h64vulagzqj4tos\",\"orig_filename\":\"Ground Attack (Epic Mix).wav\",\"is_downloadable\":true,\"is_original_available\":false,\"is_playlist_upload\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":132,\"is_custom_bpm\":false,\"musical_key\":\"B flat major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":111702289,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqseaj3ck2wbrfll4loltfo6z2dregyjnecdjzhsyhnkwyvsem362hds\"}}",
    "nonce": "0x49139dfc7a110a8a1eb62ffb9d7b84c856584480c3f9222db6bdf31908a3e793",
    "signature": "0x9f343cfc20d399640e47964040da0e6320f0c697b7dfc4885a573904ea34c4cc4bf9e109722b351deb280b6933f6e5621cda0e2042594fd0e45d6fbbfec689511b",
    "signer": "0xbed99520306BB0dDd2790eD133a58c5eC1bFCE31",
    "userId": "111702289"
  }
}