{
  "manageEntity": {
    "action": "Update",
    "entityId": "1496197780",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"Listen to my new song here\",\"playlist_name\":\"New Playlist\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"baeaaaiqsedyvbysljqeddci3tuibgfyhy5e6czimfgtbr3lfqqdws6gmmw54a\",\"release_date\":\"2026-09-15T11:29:42.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0x76110ea68a3d46e86a599b20a817a8d5f7c490f545912da15d191c9b6b6a2a80",
    "signature": "0xff09e260de469302d2b36c276b045f5e2648dc9851c41ad127d25972a70f10493b44509167e874f03f8880ad02f99ca6ed1379347b289751ca6c9464c55febea1b",
    "signer": "0x4d97be9CDcACd5fd20B07E1F67B3a0d7E3895Caf",
    "userId": "873101421"
  }
}