{
  "manageEntity": {
    "action": "Update",
    "entityId": "564005730",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"White-Ra Retro Party (80-90th)\",\"is_private\":false,\"playlist_image_sizes_multihash\":\"baeaaaiqsebp6slbbnkn2fuyfpxpolrmrpxfpxwts6hcfmiq7bsdel76ggzabm\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":true,\"playlist_contents\":[{\"timestamp\":1775246920,\"metadata_timestamp\":1775246920,\"track_id\":1348688128},{\"timestamp\":1775246999,\"metadata_timestamp\":1775246992,\"track_id\":165774980}]}}",
    "nonce": "0x458767e308e979163077dafb1b2aee7ebeff2c08c4fc161ffe5effecd11ca875",
    "signature": "0xa349a93cf2f3af1e492d4eaa07db24986cf842eda5381fa0d99ba0093c0cb6b303c8c4398f508e93851a27af1136272de2765d95d8b5f108e209b437dc86ef7b1b",
    "signer": "0x7D86D15B8eCca91f3Fcfa84CE8a06ff8D0049255",
    "userId": "100027732"
  }
}