{
  "manageEntity": {
    "action": "Update",
    "entityId": "721203513",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"Y.M’s First Album. (SBBN-0007)\\n12 + 3 Tracks\",\"playlist_name\":\"EN MODEST SHOWCASE PART 1: “FOCUS”\",\"is_private\":false,\"playlist_image_sizes_multihash\":\"baeaaaiqsebt7uyvxmmg445k6oj5ocdshwk5vugtvj6viwtfzgjev4eoi66olk\",\"release_date\":\"2026-04-11T15:30:03.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[{\"timestamp\":0,\"metadata_timestamp\":1775921418,\"track_id\":1135863790}]}}",
    "nonce": "0x10a1d94586c50cf0d4daf024f4c0427238941b50512f6beefaccd398c11f23a2",
    "signature": "0x138efa959680202f449dfb4e41d6c42a02f963e1b8c2198ca447453fdd41fa39005ca77048e9d763ddf5b8ad42fb14ba15412406e3cc97ba11cf01664c4a23c31b",
    "signer": "0x61F949f996483EB7EAf30b9bDA9010A86bAe9BeF",
    "userId": "733158140"
  }
}