{
  "manageEntity": {
    "action": "Create",
    "entityId": "1522864645",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1522864645,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Soundtrack\",\"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\":\"Donde termina el silencio\",\"duration\":407,\"audio_upload_id\":\"9af0c3cae3237490d9b8abd6aaa5112b\",\"track_cid\":\"baeaaaiqsecbcq4vnwqhcv2obaay7thgnapgnflxkzwl7r3ctzb57s2m3cwexm\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsebrbnwkpjj3dmfxl7hct7uzsfocmn6gycwdpyorroiw6mfg3bcuw2\",\"orig_filename\":\"Donde termina el silencio.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":158,\"is_custom_bpm\":false,\"musical_key\":\"B flat major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":42634173,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqseanpumpy3xkjuqu5bszfsekdrnybe27swpm2vzjrbo4rr6r5jxj2i\"}}",
    "nonce": "0xd00a9f73367b8fd67edfa66147091336896d1fc76bd1a5bdbeae77fc0b10a5f0",
    "signature": "0xe895376fe49e2d2bfb78ce6524dfb5727444161856a525aaf32227f0fb7e0bbf2127eafac35ed5372458285a39283cff24a13187d268652767ee9ad85872f4921c",
    "signer": "0x18a7B3405E81900d8aF72d98D5f2C54e2C988f9b",
    "userId": "42634173"
  }
}