{
  "manageEntity": {
    "action": "Create",
    "entityId": "1425021286",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1425021286,\"description\":\"End of the world music.\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Tech House\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"mood\":\"Sensual\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"E A R D O P E - SMILE EVERYTHING IS WRONG (Single)\",\"duration\":283,\"audio_upload_id\":\"c526ef823645f0c40b9d8922c82a7870\",\"track_cid\":\"baeaaaiqsecsmfwzh4b56okeabavqpl6hmydwvge7uaddoitegglenoipx5jh4\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsebtogqtkoga3cok73dmetvvbyb6h5wxbnv43vunk6hgfq62u56sj2\",\"orig_filename\":\"E A R D O P E - SMILE EVERYTHING IS WRONG Master.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":124,\"is_custom_bpm\":false,\"musical_key\":\"G minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":750368607,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebg4qpm7krndbuayhlfc46ec7jer62ovgq2biwmfnd2nc72y3eekw\"}}",
    "nonce": "0xefc42545e19c09c64cfd0b9fd907faa345af8aa7a574064d2b363dba1d1f502f",
    "signature": "0x1c9d60a7a397a5cadef525d84668fb2ea76cade1606a2e9b55555c8658f31ed267d20ce19355c8af748c2dc1d3eaf711edb5d0b0fcc5c45f09900a637b8d0d9d1c",
    "signer": "0xD76752c8810F3BCc4df7304F599D26Aead0C4AFd",
    "userId": "750368607"
  }
}