{
  "manageEntity": {
    "action": "Create",
    "entityId": "815711660",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":815711660,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Pop\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"mood\":\"Energizing\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"Денко - Прайм\",\"duration\":152,\"audio_upload_id\":\"7c095f2662070acd4e82943ea42d06a8\",\"track_cid\":\"baeaaaiqseaoajltotc2bt2rq6vlwrihjdsvbkz3abuskmhy67bwds4c54v22s\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsebapzh2encnla2pwqtb2t6nuiw67kslglxqena2rbm5lzecx66mfg\",\"orig_filename\":\"New_Project (4).mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":112,\"is_custom_bpm\":false,\"musical_key\":\"D minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":130449925,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqseanigi6ri5ep5fhgcpzthehb4gnz6o2lvtckceiysrkrhnwoxtj52\"}}",
    "nonce": "0x7252a1a59fae8618a16d044a5723521aeda4de942747bce64c80f1d9c542fd7e",
    "signature": "0x522f14dc03417455e79e9e3418c251555bd094034626e86a3d5c09779c61b684448208f9b3f17fd64e0e57db127c9168c263362481a1efa0e5d99ec2fa22cba21c",
    "signer": "0x2d0B4Ea77047E48b61e0DA26c30592F67ec48461",
    "userId": "130449925"
  }
}