{
  "manageEntity": {
    "action": "Create",
    "entityId": "1305766829",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1305766829,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Experimental\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"title\":\"Без правок\",\"duration\":205,\"audio_upload_id\":\"ad4b1ca6426620973baaaffefc08cd63\",\"track_cid\":\"baeaaaiqseab5t3brnpjzqowe7gc3wecq6shrybcp6jnpnay7nf7uuv5j6eox4\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsec73dshhw6deakepb3slpbwq7hhgasce5cjoynqpevgngajbp6u7w\",\"orig_filename\":\"Pirattorrent - Без правок.m4a\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":153,\"is_custom_bpm\":false,\"musical_key\":\"G minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":775647398,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqseauxozfxniophh5x66su54gxdk644xekjljfqjxuwzttntkm4zslq\"}}",
    "nonce": "0x44ed558c5d9a2abae7d15a0468c88c9eba09e1aae34d51b5a04b798b7fd8539e",
    "signature": "0xfc9ae79e72525941eaa3fd4e40c5b3f8212e4bda4d2f7782474d2a1ad7c2d0e77e0b34d884824e4311b9ed50f0a16e0635321ae1615c41edc3c49e87a64e2cea1c",
    "signer": "0xb7f45f35738C96f88c833E01E9e28366713013cE",
    "userId": "775647398"
  }
}