{
  "manageEntity": {
    "action": "Create",
    "entityId": "281617018",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":281617018,\"description\":\"On a platform full of AI, Im the last real thing left.\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Electronic\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":\"All rights reserved\",\"mood\":\"Energizing\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"Newmusic,Edm,Pretty\",\"title\":\"I Don’t Miss(SadGirl)\",\"duration\":250,\"audio_upload_id\":\"c624f55fd89b825f250ab8cf5b91aa18\",\"track_cid\":\"baeaaaiqseb45xegkvjol4rbi5rwtymjyopq4awtnrx5heriwxrwabq3tkagty\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsech5v24fapwxcrn62ds5zdg43a5uifnqmilq3afsgncgrnyzon7bs\",\"orig_filename\":\"Outgrown 4.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":144,\"is_custom_bpm\":false,\"musical_key\":\"G flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":987199883,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsedxbtuxzqn5p6xu2fp5tsx3q732n7oydutkve3welfrblpkmynuw4\"}}",
    "nonce": "0xa451200a6dfa3229c93cbb2517305d750fa9e8b61ef8af4135a334644e7c10d0",
    "signature": "0xd8cfd6f9921449eef356c8fd959e249ed60c6a513939ad2befec5f7009bd842d2adba74e053ad59bd1b20a526217a6df5c611d39995aa34acf493b0a7630b6e71b",
    "signer": "0x12c4a498E48Ff151755c2ac8d58349A536884925",
    "userId": "987199883"
  }
}