{
  "manageEntity": {
    "action": "Create",
    "entityId": "475359710",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":475359710,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Ambient\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"Weights of Open Air\",\"duration\":198,\"audio_upload_id\":\"051fca26226ad161cdccc54b89a341b4\",\"track_cid\":\"baeaaaiqsebn3pmp2qm7tz6q7cfwh5fzt37qduvgr5yl7rxrilh6cve4z72j52\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsedddouve4uzcddflhqmqyuhdmja4ipe3bjh7lkph7vd4bs7atz4rc\",\"orig_filename\":\"b01bb016-11ba-42b3-8d7f-a8bfb20b52bb.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":154,\"is_custom_bpm\":false,\"musical_key\":\"A minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":994273271,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqseaazmt4twck752badeddppnun4hhi3nogotqlocpeivapwnl4zhxk\"}}",
    "nonce": "0xb0193f3a7b82e7ef2ad64f88d3ccb628c1211f46cca83dc0572d0ccfc4d76532",
    "signature": "0xbd770a5d5bf5a4d08aad49faebacf05d03975bf500800c7d340f62d1c4cac2da30ca4649f52f27188fb4ba801f43501dccef4e6f09ca1e416d04434f23eb30ec1c",
    "signer": "0xF5771F55BBFfE8bC7930954AdCC1BAD77452b5Ba",
    "userId": "994273271"
  }
}