{
  "manageEntity": {
    "action": "Create",
    "entityId": "444981296",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":444981296,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":false,\"play_count\":false,\"remixes\":true},\"genre\":\"Alternative\",\"isrc\":null,\"is_unlisted\":true,\"iswc\":null,\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"title\":\"01 - Quat-tro and Bambam - A new you might be strange\",\"duration\":274,\"audio_upload_id\":\"eb1be70a0d0f79bfc352813c0e4f8ad8\",\"track_cid\":\"baeaaaiqseausoxvk6he4so3tilsswtkside6q7sat52v77kvim7jeiebwk4xk\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsebfyni5bgweungzw3j4txs23yet767ijlvsibdtfefr4a5thq55eo\",\"orig_filename\":\"01 - Quat-tro and Bambam - A new you might be strange.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":81,\"is_custom_bpm\":false,\"musical_key\":\"E minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":136853,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqseccxey5uqrtlydluf2idao7ubj2hatu45pghbdjtkduyilpdfyjco\"}}",
    "nonce": "0x554ada2796607aa8c4d9110ccfa165ff2fca7001877cbb35dc7cb5fb5ec4b247",
    "signature": "0xc54ff0cf3e37b21918e844ac4d7215fdc2f684f8521488540f42c5aeb31737703e9141a0664d75e06dc2f410f3847e67d3955384034d7935e94dc44d5a9d78971b",
    "signer": "0x6406FE89a9DDe757078c7b874E3014Be17f76baf",
    "userId": "136853"
  }
}