{
"manageEntity": {
"action": "Create",
"entityId": "578750133",
"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 – House 2\\nAfro house, layered tribal percussion grooves, call-and-response choir chants, deep rolling shakers, spirit-lifting chord pads, conga polyrhythms over steady four-on-the-floor, sunrise ritual dance circle, crystal clear instrumental clarity, completely silent background between p\",\"duration\":160,\"genre\":\"Electronic\",\"is_downloadable\":true,\"orig_file_cid\":\"baeaaaiqsecdknuglke5gcjixsmtlbfa7lhjbcjvu2wy4gge2yfzzpkxnzokea\",\"orig_filename\":\"06 Ancestral Drum Talk.mp3\",\"owner_id\":289837142,\"release_date\":\"2026-11-04T00:00:00.000Z\",\"tags\":\"house_v4, ai-music, musica-universalis\",\"title\":\"Ancestral Drum Talk\",\"track_cid\":\"baeaaaiqseco3ewm3raktuao7l5apgkss6q7dc6w72zeclfbrf3nemoe4qa6om\"}}",
"nonce": "1793794830328644547",
"signature": "0x1706049ffbebb86e19f234b3d9f3794718588c493346bcb20398978a04c7907e3726ec8a57f37bdec797d1994c8f4d273c527aa715ba94753501277b789e47af1b",
"signer": "0xa28b7811dAb29b5E0b1C1b86D0C64A945446c84E",
"userId": "289837142"
}
}