{
  "manageEntity": {
    "action": "Create",
    "entityId": "1053022514",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1053022514,\"description\":\"Listen up\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Metal\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":null,\"mood\":\"Upbeat\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"630\",\"title\":\"6:30am_AudioMaster\",\"duration\":161,\"audio_upload_id\":\"1d0ce19ebf0d47303c4b6e7a4f64f289\",\"track_cid\":\"baeaaaiqsea6uxlbpu3paq6x466jreftko6bomrrc4lwisocnbgwqmthrn6al6\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsectl63wb4ddcoiidzos5xdqup6tyv7lqi4sbniaxxd4dvq6kxdiq2\",\"orig_filename\":\"6:30am_AudioMaster.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":121,\"is_custom_bpm\":false,\"musical_key\":\"B flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":513956582,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebxpnqxwbpochuayqjpjerpgzff7drukg6gd6a2hbeybwrprgjqpg\"}}",
    "nonce": "0x01b45ce2e371af999b07a272c4289df61ad76df99ea553fca971f1253331e368",
    "signature": "0x43cd3af5e2d10bf98e98df931d6db1f6f0b3d5d001c402a5d42e52e776361c494bc60f49d9f620bfa2920446fdbf0fb62693a4c456cbceeff9b8789b60596ac51b",
    "signer": "0x4b1A8281F6C7611C75f6c44f1D3B258B0143F613",
    "userId": "513956582"
  }
}