{
"manageEntity": {
"action": "Create",
"entityId": "1053741699",
"entityType": "Track",
"metadata": "{\"cid\":\"\",\"data\":{\"description\":\"AI生成内容:本作品由人工智能(ACE-Step 1.5)辅助生成\\n专辑: Musica Universalis – Techno \\u0026 Industrial\\nacid techno, corrosive 303 bassline squelching at high resonance, hard driving kicks, industrial clang percussion, machine-gun hi-hat patterns, relentless warehouse pressure, crystal clear instrumental clarity, completely silent background between phrases, no ambient noise, no ta\",\"duration\":155,\"genre\":\"Electronic\",\"is_downloadable\":true,\"orig_file_cid\":\"baeaaaiqsebymui2lnm6khjlneunh4pnfa342rcpnlp45zmwbs4v2zhtld7je6\",\"orig_filename\":\"04 Acid Foundry.mp3\",\"owner_id\":289837142,\"release_date\":\"2026-11-04T00:00:00.000Z\",\"tags\":\"techno_v4, ai-music, musica-universalis\",\"title\":\"Acid Foundry\",\"track_cid\":\"baeaaaiqsedilyycyy2lm62czsleie4cdojaw45fgkxlw3yg3s6d6e3vo4x5qw\"}}",
"nonce": "1794299282718895375",
"signature": "0x231e202b83302faa0501774321f50f8a79fc1c1c806409f29c87818c0d5a2cc32b30fd832e6d6397c9ded1d9df06dcef44512ab354d051868541dfc94b89cc5b1c",
"signer": "0xa28b7811dAb29b5E0b1C1b86D0C64A945446c84E",
"userId": "289837142"
}
}