{
  "manageEntity": {
    "action": "Create",
    "entityId": "1442713480",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1442713480,\"description\":\"Original image: https://www.istockphoto.com/vector/color-gradient-background-gm958512474-261730526\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Future House\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":\"Attribution-NonCommercial CC BY-NC\",\"mood\":\"Upbeat\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"futurehouse\",\"title\":\"Contact\",\"duration\":262,\"audio_upload_id\":\"d79c8dcf41c8f62f75746914d149290c\",\"track_cid\":\"baeaaaiqseapkele5d2qvm7ouexul46vqtpn36gvetzcxnwf5jrth6s5fyf7gk\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsebnnyetcqs2uukaew4ilbn5khcvq3grwca45uvzc3jq6xk55xxvuo\",\"orig_filename\":\"Contact.mp3\",\"is_downloadable\":true,\"is_original_available\":true,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":125,\"is_custom_bpm\":false,\"musical_key\":\"D flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":970570438,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsedinpbhjxnaaigrdvsyec277krxvfdnuhauiusmms3lb6of3mqad2\"}}",
    "nonce": "0xc8ddc3091739af2de7221b65a9d162a3ab640afe7925c358a9cf46d253e20f71",
    "signature": "0xcc8d2bc1f1574812caaa8896798fd01de12c931d5477c5e97ba68ade8197553c6c2214b49b12770c5737ad4c1b47cf1b4514e37bd6bf37d64e1fc6ca63a1d3e41c",
    "signer": "0xb9b4E7f0b734da5B1D0370F77EfB0C66c0de0dcA",
    "userId": "970570438"
  }
}