{
  "manageEntity": {
    "action": "Update",
    "entityId": "476048805",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"New Playlist\",\"is_private\":false,\"playlist_image_sizes_multihash\":\"\",\"release_date\":\"2026-08-04T11:55:37.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0xffbe1ff63f14a800d777bc38e2019b24979ed4961f620b8bc46df5e6adfc74f8",
    "signature": "0x544b9f99533d117d8bd4d4bd7c4410b32250611ca99e54b06a53f936e3261aaa39af2f9048a75e55eea0c4fdcf2af499b7893b81aff10c07b2e03b036b36d9c61c",
    "signer": "0x58Fd15cF8652ad74664BE5E78b4D09ab32Ce73Bd",
    "userId": "6838510"
  }
}