{
  "manageEntity": {
    "action": "Create",
    "entityId": "1348688128",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1348688128,\"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,\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"White-Ra Retro Party (80-90th) vol.1\",\"duration\":8257,\"audio_upload_id\":\"e5b89e77291d89315326c7a056e560af\",\"track_cid\":\"baeaaaiqsedrfcowcgjkxvyam5pfljqnpjpeis6okt2vckm6xf5jdqcsx7tcrm\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseaotoy6kcxc2ccr45q2xw7cdy45d3bbpjakspbiiwz6nvc4jhw6wi\",\"orig_filename\":\"DJ_Amoureux_-_White-Ra_Retro_Party_(80-90th)_vol.1.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":128,\"is_custom_bpm\":false,\"musical_key\":\"C minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":100027732,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsed7lf3ertqqn2u3suiviliwx5qe2qxvx7z7xp5uw744z4g5xlgqze\"}}",
    "nonce": "0xebbebbc2271865dc8e4b75fcb388f957f4015f5641a169d14f590de7cb0c053f",
    "signature": "0x656957e95350221ccb84fdf95725d72f0786466ebe2c3bf74913eba70996571b2f1b0d0d583c70df7442ab59c216de6e0ae3fa96ad77097d2599b4e287a6cb691c",
    "signer": "0x7D86D15B8eCca91f3Fcfa84CE8a06ff8D0049255",
    "userId": "100027732"
  }
}