{
  "manageEntity": {
    "action": "Update",
    "entityId": "280691557",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"Classical\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"baeaaaiqsedt3b6quhwsjcnavpk55eblzprv2vxkdsvfpfgrn7e2c3lta3x5sq\",\"release_date\":\"2026-04-18T23:29:27.000Z\",\"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\":1776555402,\"track_id\":658234}]}}",
    "nonce": "0x33b703228327992be76da973bf21f19d106e3bdfb39a17e88046d4e765f2b5d7",
    "signature": "0x2034138ad85872aef84e930ad4c165b812dbbfe369ab1110eb51ac4f57e99fdb54b50793fb520c51fb92382b7cdd0ba62addcb999d98ee15db879ec03b498c361b",
    "signer": "0x3DdfB99173Ed7ff3A083C9C589582B230d37906E",
    "userId": "192527938"
  }
}