{
  "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},{\"timestamp\":0,\"metadata_timestamp\":1776139672,\"track_id\":1571961919}]}}",
    "nonce": "0xf032078d341384514f27db896ebe98da9684953a81ba78ce31ba7aa93ac155d7",
    "signature": "0x7f9ce262d24928d58f060897a750ee9288a4c879e85e07c2e537cd0436cfa7376c4df01c3341c6e1a148363345953de70aca9b55f9a1bd1bdceee5958c75b1191c",
    "signer": "0xeA46e9FAC7d0C13eF953aDBe18492fBf149F55Fa",
    "userId": "640431449"
  }
}