{
  "manageEntity": {
    "action": "Create",
    "entityId": "85437185",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":85437185,\"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,\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"Hijos Del Asfalto\",\"duration\":256,\"audio_upload_id\":\"6e48432aa5e1b09d8471cfc9c45c4985\",\"track_cid\":\"baeaaaiqseala332r4ccdr23d52zacvs6sz3p2mngashjotscgqeuygx4vtude\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsecuxzenpznpx273q5prr6ah7abptztcpocvqk653e6pktkn7o2cxo\",\"orig_filename\":\"Hijos Del Asfalto.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":95,\"is_custom_bpm\":false,\"musical_key\":\"E flat major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":731078861,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebkeiqpgdgbyaxx3yslqs2shu2sbn3mkvrosfivs5fgfxumv6yh22\"}}",
    "nonce": "0x23e582c5219884fa38d597b215b6fd5d19ab8efed34432c669e4e3d5a843c9cb",
    "signature": "0xd4f698ee1412ed6399ccbd9a42e86f517412914b317c7782219faaf56d47fccc0d2f45f06506524c51115c9335cc408d6c85700c16d280ef4721ee73387a58d81c",
    "signer": "0x715dcdD7cD180C5B63c84bE69157E9c4318EFD1a",
    "userId": "731078861"
  }
}