{
  "manageEntity": {
    "action": "Create",
    "entityId": "147553812",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":147553812,\"description\":\"Electronic music from the cold. S.N.E.G manufacturer\",\"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\":\"Romantic\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"Farewell\",\"duration\":204,\"audio_upload_id\":\"258f7761a8e03877583774d3f19bf688\",\"track_cid\":\"baeaaaiqsea7lpxrr7tcfiqam5yqs7bm7yw6ls4anj3hyergbsmcqxrdvgmih4\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsebztlz4cezvmksecnfyuh5ps4xtoqqtulqyoxnxtj4euy7pujtmyq\",\"orig_filename\":\"Farewell.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":83,\"is_custom_bpm\":false,\"musical_key\":\"C major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":71569007,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsedqlqzg7m7qt4etmxup4l6yec7xpulu7wo6rwsf6jrlrxfs33c4y6\"}}",
    "nonce": "0x34645213e94e66e3924d5d79859e276b61d8fd536d77afdb827ee72ae3454c39",
    "signature": "0x72d08129be1feb97262de69e00d62b3434feb025a4fef6c1767c2e317bd2c9001c6a8954302ed83506ba24903f317388f7f69b2a44ad5265add8339cbca2f3191b",
    "signer": "0x568426a5D555ADe94657d547B2Df4a4dc1f0C014",
    "userId": "71569007"
  }
}