{
  "manageEntity": {
    "action": "Update",
    "entityId": "101708103",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"Pop\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"baeaaaiqsecp574sewmuxs5sqqrxitttine4imkgs7np3fy2g34dwkepdliwoc\",\"release_date\":\"2026-04-12T20:01:59.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[{\"timestamp\":1776024121,\"metadata_timestamp\":0,\"track_id\":723284}]}}",
    "nonce": "0x1dc9b03dfcdc5ba557a437ac78dbc261ccf267f410068f85d28efb89414aaf48",
    "signature": "0x123a7956579e2535cb375a8f8344f3b37ff048ccd8e751dc445f8ebde3a0d5615c494a77133b941cb493b01c142700000b37a63386b472c3dd1effdc87e27b121b",
    "signer": "0x3DdfB99173Ed7ff3A083C9C589582B230d37906E",
    "userId": "192527938"
  }
}