{
  "manageEntity": {
    "action": "Create",
    "entityId": "1392203185",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1392203185,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":false},\"genre\":\"Rock\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"mood\":\"Melancholy\",\"is_stream_gated\":true,\"stream_conditions\":{\"usdc_purchase\":{\"price\":100,\"splits\":[{\"user_id\":824760518,\"percentage\":100}]}},\"allowed_api_keys\":null,\"is_download_gated\":true,\"download_conditions\":{\"usdc_purchase\":{\"price\":100,\"splits\":[{\"user_id\":824760518,\"percentage\":100}]}},\"tags\":\"\",\"title\":\"猜！猜！猜！\",\"duration\":207,\"preview_start_seconds\":30,\"audio_upload_id\":\"570f8a04b0d84e3ca17b4f6b34699fe4\",\"track_cid\":\"baeaaaiqsea2koe3qqkst4chkitptt2lsi6kc4rgh5t4kglgtapjed3iyddmw4\",\"preview_cid\":\"baeaaaiqsecfjwnnll7oq5pwtkodgyqquclghtxaukuezidti3c6t5dd5c6nhi\",\"orig_file_cid\":\"baeaaaiqsearizbdqohiuucuxv3qcrnnnl2u7nqk3ty2gherbgpyj2fekmhm6a\",\"orig_filename\":\"猜！猜！猜！.wav\",\"is_downloadable\":true,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":144,\"is_custom_bpm\":false,\"musical_key\":\"D flat major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":824760518,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebyurvzabapy3pykguwuwtwkzinpnr5eef3hol2jyoekw5ptnfmuc\"}}",
    "nonce": "0x95d426ca57202d93c2244b9e57c36517101932a057a30333e48a29c2b1cc565e",
    "signature": "0xb018fb234e40af848d4193208160625cf67e73e74503e6e8c543746a075a31d435577677513289381e8c9103c4bfb783c1b538ef63678b33787301a87d2f7eac1b",
    "signer": "0xF1034e195E433aD179Ed2100D3701133C668939f",
    "userId": "824760518"
  }
}