{
  "manageEntity": {
    "action": "Create",
    "entityId": "579198360",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":579198360,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":false,\"play_count\":false,\"remixes\":true},\"genre\":\"Folk\",\"isrc\":null,\"is_unlisted\":true,\"iswc\":null,\"license\":null,\"mood\":\"Easygoing\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"title\":\"If I Had Stopped There\",\"duration\":227,\"audio_upload_id\":\"40d79fc572a1004b66d16f1850887179\",\"track_cid\":\"baeaaaiqsedisoues3jwzyevwjjxoqk63ipu7dvy3p2ht4m7p7mmf2zg52jwvy\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsebcrvxlypqdgr3e523hyoonsjealpgmepiu2yrpb75khmy6s6mr7i\",\"orig_filename\":\"If I Had Stopped There v.1.wav\",\"is_downloadable\":true,\"is_original_available\":false,\"is_playlist_upload\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":112,\"is_custom_bpm\":false,\"musical_key\":\"D major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":501175081,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsed3tdcaglrz3jb6nz7qciqsbnisbohstgm36ygyzd6iucqutafbxm\"}}",
    "nonce": "0xea6aff23bf699cb10993c4f8a9a57553e9497c6fbd5774ca54b6cfc397a97bad",
    "signature": "0xdd13928bd2da53e1ee22dcc849462fd7b393abde121c0d72b534320dd4490025189901ad6b09a15db846cd5b7137e565caa4651de0dfe9f4e2740a7b063a3d571b",
    "signer": "0xc146b176C58c693F99918E7b6992bA919aEE4ba3",
    "userId": "501175081"
  }
}