{
  "manageEntity": {
    "action": "Update",
    "entityId": "270787595",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"New Playlist\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"baeaaaiqsecezaa2xxhqzwiabf2tz7eu3fnss6ebz343szkzgni6dvnz7rtule\",\"release_date\":\"2026-04-14T04:06:41.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":true,\"playlist_contents\":[{\"timestamp\":0,\"metadata_timestamp\":1776139662,\"track_id\":809234787}]}}",
    "nonce": "0xc1b9eca7f5e8be075b87c4163d0d3a7999e486e4f15ef9f2a24332985664f3f1",
    "signature": "0xe29335e3e263763d430888efe3fea1f7308c2ba37796c1416396b9dea56411157da38cb9427ebbf7b8a8325b7804d2b108feb13d78adffe3da15f8c27f0620091b",
    "signer": "0xeA46e9FAC7d0C13eF953aDBe18492fBf149F55Fa",
    "userId": "640431449"
  }
}