{
  "manageEntity": {
    "action": "Update",
    "entityId": "1398775920",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"KID\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"baeaaaiqsedah6an7mgxcjkayufywngfgj7ec25s2cqe5p3nzt3zrb7ukwzr64\",\"release_date\":\"2026-05-04T23:15:27.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[{\"timestamp\":0,\"metadata_timestamp\":1777936704,\"track_id\":849967173}]}}",
    "nonce": "0xe6bb9299edc772b7aaaec576b022814df0d7e1c607109f3280a817141a0ec4d0",
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    "signer": "0xcDd4bA67dFa5A12799fdF828BAe6484f14Fb02Fc",
    "userId": "502753271"
  }
}