{
  "manageEntity": {
    "action": "Create",
    "entityId": "775237087",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":775237087,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Alternative\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"title\":\"Takin It Back (instrumental)\",\"duration\":263,\"audio_upload_id\":\"6897cedc4f330d6c2103cb5aaf9d2630\",\"track_cid\":\"baeaaaiqsecbin6xihgr7znoj4bakiycawl5rvc76l3d2p2j5lo6z2fnsfymz2\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsedzqky2mgynm2e3svi3di74hmkkm4l4tepvrvn3lgezmmrpoab4ym\",\"orig_filename\":\"Takin It Back (instrumental).mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":100,\"is_custom_bpm\":false,\"musical_key\":\"A minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":666815500,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebebgjobjtfriob5rdvmyqcmuoeiuhiz6kd5tbjzdntyghib7dsci\"}}",
    "nonce": "0x00c5cf4893f1dc8da3d32d34fbf23251560de7de7066a6a3ebc67174cd539dc2",
    "signature": "0x32865467cc5893af423dfd269004d283a56ef396ec6c6c00d86502c321927e59430afedbf0a5626649ad0a2c59d0a5016e14b02727285ef21146684f688e63801b",
    "signer": "0x5f0d2323c6d97125788903392a1cF91B49250e56",
    "userId": "666815500"
  }
}