{
  "manageEntity": {
    "action": "Update",
    "entityId": "571917778",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":571917778,\"owner_id\":620921422,\"description\":\"Track 4 of Kinetic Impact. You are now free to explore the circuit inside  Horizon Dome. \\n\\nAt first you can't believe it. But finally you are here. \\n\\nYou need learn it for track Quest for Vanguard.\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":false,\"play_count\":false,\"remixes\":false},\"genre\":\"Electronic\",\"isrc\":null,\"is_unlisted\":true,\"iswc\":null,\"license\":\"All rights reserved\",\"mood\":\"Upbeat\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"release_date\":\"2026-05-15T05:42:54.000Z\",\"tags\":\"Instrumental,CinematicTechno,MelodicTechno,Symphonic,HighEnergy,StoryTelling,Guitars,Soundtrack,Epic\",\"title\":\"NightFall Circuit\",\"duration\":215,\"audio_upload_id\":\"b0051c7c1e5b4912014e03c88d6f9206\",\"track_cid\":\"baeaaaiqsedathnxe5muc6rsfz6fxan4lvkqp2imq3vmqln2sg45fgptli7poe\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsebbvn7e2fg7tymchgg65qamahlw2bcycmi5najomymhub7ywtdvsw\",\"orig_filename\":\"NightFall Circuit_r7.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":133,\"is_custom_bpm\":false,\"musical_key\":\"G minor\",\"is_custom_musical_key\":true,\"comments_disabled\":false,\"is_scheduled_release\":false}}",
    "nonce": "0x54924e376a86fee93a312ca6327f4f1bf04fe7ef0328882c163c10581cbadc4a",
    "signature": "0x261198e8de9b7b779f3f1805daee3b8d8c420772f75708677b1d04c06585c6ed038c1833d75ba8b2d32a30a1f32212d6bd2f57826302e93f3de131190acbc95c1c",
    "signer": "0xdfcc4d06D5B8A0AF1AF77B1Ec434e5F50B625a75",
    "userId": "620921422"
  }
}