{
  "manageEntity": {
    "action": "Create",
    "entityId": "1851039395",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1851039395,\"description\":\"\",\"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\":\"Sentimental\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"Santo Expedito, Socorre-me Agora\",\"duration\":293,\"audio_upload_id\":\"89307b1c5d13341ba47f05fd563ca02c\",\"track_cid\":\"baeaaaiqsed2jg7obn5dzu32ea5nmwos2apbjfnvhdehpvwpprsj4zu2cqsk3u\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsebs3r3rzzsqim3peqbb7asxdib3vmfor6hrtg4aahakcc34dnfmxu\",\"orig_filename\":\"Santo Expedito, Socorre-me Agora.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":149,\"is_custom_bpm\":false,\"musical_key\":\"B major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":70970748,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsea2trgjexfh5nkgho7gfa26hc6zmq6ka7gskogxo3vhizyga3rbx6\"}}",
    "nonce": "0xe915b1815a557d2c042ce4107b587342d403df4093c4498bf523328249996e89",
    "signature": "0x5ce6f22918e17d42f6d71982d84bc96c4278e88294a0a491bd673f9bfc4ec01661cd87e9ef5382181f5877b9a29794217a2f211b79a1df8d3da20c04af52867e1b",
    "signer": "0xe448d7eE761E2cD584F7Ad4868AA0bF23E1E8e8b",
    "userId": "70970748"
  }
}