{
  "manageEntity": {
    "action": "Create",
    "entityId": "703518097",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":703518097,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Electronic\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"mood\":\"Energizing\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"notice me \",\"duration\":158,\"audio_upload_id\":\"c14b603efb22ce202507d9cf38a0fc4f\",\"track_cid\":\"baeaaaiqsebmmzd3enqpdkz5lidfszkjgze44pzxeotz3wgp2sdkucsrz4ixwm\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsea6fgqeitdndr4an4aitm7aetedsr7lpacg63zkb2mqm7vsyxeewe\",\"orig_filename\":\"notice me final.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":118,\"is_custom_bpm\":false,\"musical_key\":\"B flat major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":1996082,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqseacrjc65lblw3mjvc4wo6l6pft2cnqt25s4kqyrhzjsrhmeopyd4m\"}}",
    "nonce": "0x5a29a53bcf5e3bb4fb1d9bbd81df7ecacb4641cb8b3a40cf0aa07748a0842c02",
    "signature": "0xab439ee7ea4a832e09131c4ed49e8d44722302fec83fc23024e70c396078a2da170004163cab5645caa143a359c3d46ae19f26cf605fa6e7a22cecfcc618f1941b",
    "signer": "0xAeDCEE3ec96bF1DD9E478a51d42f76929006c096",
    "userId": "1996082"
  }
}