{
  "manageEntity": {
    "action": "Create",
    "entityId": "1324500380",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1324500380,\"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,\"is_download_gated\":false,\"download_conditions\":null,\"title\":\"Comedy Gold (I Am The Villainess) J-Pop Remix\",\"duration\":208,\"audio_upload_id\":\"b6ba27cfab1e50abbf3b36c4bd179793\",\"track_cid\":\"baeaaaiqseb2dunldjsbuqawe2rxvxxjyrjsjiczc6rnlyrxfq3vniubbg64gm\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsed24uotihb6hw7ansabv3p4momyfxbxzcjxkg5e5ao52e2viq4uqw\",\"orig_filename\":\"1. Comedy Gold (I Am The Villainess) Remix.m4a\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":131,\"is_custom_bpm\":false,\"musical_key\":\"A minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":700560752,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsedx6b7j2eofqmlzwjtvvn7dfkjikhvcwxxsofit2ifgg6a3t2foo6\"}}",
    "nonce": "0x0b03d80ba0f8035eff3670ae6bc72d7331c9cf4745a026eee0707278499985c3",
    "signature": "0xb4cff26a9ff5005b54b9f51b61c9acd1e1964739d8cdb71a64e924f8546cb739643bb8425c8202246dc02791c107567546118c24ebbda074fbca6de9d031bda11b",
    "signer": "0xB3CCCdE1D0E83236E61b43A0C53a57b049c88445",
    "userId": "700560752"
  }
}