{
  "manageEntity": {
    "action": "Create",
    "entityId": "1086332891",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1086332891,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Electronic\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"mood\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"test01\",\"duration\":24,\"audio_upload_id\":\"01KV5FKTA0564NP0FWKNGXAM9X\",\"track_cid\":\"baeaaaiqsedz5bly725dwsnqzcszxx7u5gtrk44pdpxsldidqeiskjfkxzxhk6\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseaucovx26uznfcjpha32yq2tkogwckorcrkwl65c4pmns5fs7d6ds\",\"orig_filename\":\"test01.flac\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":95,\"is_custom_bpm\":false,\"musical_key\":\"G flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":712229975,\"track_segments\":[],\"cover_art_sizes\":\"01KV5FKHV19M28TWFB12B2AHK6\",\"audio_analysis_error_count\":0}}",
    "nonce": "0x7ec60487cc6ae80c04bee9fb18e79a037672ade78b29d3fbf48e0d8c63e3ffb6",
    "signature": "0xf7eb886604db8869bd5365ba08fcfbca46e8463f73f41d6f439e49e603132387543d2fe64c3249b61d0800f5a6a85259fb4027e7b377aa1f968b24b662b564581c",
    "signer": "0xb72e8a3DA14D2C1755c1F80FFdC075DB6260c697",
    "userId": "712229975"
  }
}