{
  "manageEntity": {
    "action": "Update",
    "entityId": "1442705881",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"New Playlist\",\"is_private\":false,\"playlist_image_sizes_multihash\":\"\",\"release_date\":\"2026-04-28T16:50:01.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0x8982503e0546d47ce844382de09db9e5b4a3d40b53d8961d0ba5518d32ea3314",
    "signature": "0x0575f36433899765460245c21cf43ca3de3a4446e15c5949c1c15edf4d5ccb517b06b7272e55bd1ff735edb69723ea8f0c949f720a3b40ba93c2d2573cea5e5a1c",
    "signer": "0x705C3Be1F27A9694A390A0a58287440a6b43349E",
    "userId": "193978537"
  }
}