{
  "manageEntity": {
    "action": "Update",
    "entityId": "537261237",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":537261237,\"owner_id\":3314,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":false},\"genre\":\"Metal\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":null,\"mood\":\"Fiery\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"release_date\":\"2026-04-17T00:09:34.000Z\",\"tags\":\"metal,metalcore,guitar,hardrock,heavymetal,djent\",\"title\":\"Alchemist (Instrumental) [Japanese metal]\",\"duration\":211,\"audio_upload_id\":\"3d1e0ce165df530b4ce3448c08ba91d8\",\"track_cid\":\"baeaaaiqsebkluccztxb74nvsnhzsd6c2qh6huyoux64ywh2r4anxzfkpet3bm\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseblkwb37ioqhc5bt7b3z4ugrl7lzagykhn23sn7y5yuq5j5odotfi\",\"orig_filename\":\"06 Alchemist (Instrumental).wav\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":100,\"is_custom_bpm\":false,\"musical_key\":\"B minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false}}",
    "nonce": "0xfa753f604477b9e785359635e58f62b8a201ba9523b1a26f1f52079f405d459b",
    "signature": "0x30e708b7b11906e560099c05655d5e3519704b1a5dbdd225e5db0952bf5d4b206ec90b1f9cf1035b9dcc3be4bd0f7f2515dfd619caaa3e218ba10686803e4fd71c",
    "signer": "0x2cAD6b3fCB3DB20F13b60239156FCd29b25EaEeA",
    "userId": "3314"
  }
}