{
  "manageEntity": {
    "action": "Create",
    "entityId": "544300202",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":544300202,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"_140\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"mood\":\"Rowdy\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"140,bass,deepdubstep,icedout\",\"title\":\" Iced out\",\"duration\":183,\"audio_upload_id\":\"2187a81e76192c0dec67c175a263c35d\",\"track_cid\":\"baeaaaiqsedle4wpy2podgmuxgap5z5iyxmqdulmhko224bpujfmzikzg4aukw\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsebjriau4zgkf3vcadstja5d4sfzvnr5qhzgzbh2kr6n2hqjv5bk7a\",\"orig_filename\":\"Supreme -O - Iced out MIX2.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":140,\"is_custom_bpm\":false,\"musical_key\":\"F minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":573465434,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebwzqso3asowq2qthiwkw4iv227xnhdwpwivtfyko2fnvujcdpsfy\"}}",
    "nonce": "0x1ba00428b64764241d8f66a404df8dd9878a04de0bfc2728d0df87e81f494682",
    "signature": "0xbdf40d58bd60a4d68cb7eec07dcd27ba2b1ab2338f68cbf607bb71a4720c47e54f8bd710f67b5bbb090db9f46900ea1b96c1b91aa7077cf513dc3cf4617755981b",
    "signer": "0xf604471c5d31b15f6304C298D454C71cb7f324a1",
    "userId": "573465434"
  }
}