{
  "manageEntity": {
    "action": "Update",
    "entityId": "1294304615",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"Playlist\",\"is_private\":false,\"playlist_image_sizes_multihash\":\"baeaaaiqseagwazzb2pjij6nextpng3eclo2qryrvxrmfpqbzxygjvqayegmhs\",\"release_date\":\"2026-04-30T09:35:05.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[{\"timestamp\":1777541525,\"metadata_timestamp\":1777541525,\"track_id\":438895},{\"timestamp\":1777542117,\"metadata_timestamp\":1777542116,\"track_id\":2137013338},{\"timestamp\":0,\"metadata_timestamp\":1777542123,\"track_id\":229846559}]}}",
    "nonce": "0x5cc3dffc2a6b63e1ca473d59b6c8ce3663f168f5e699a091b2e8a0f9a9f7acf3",
    "signature": "0x78be58ef97c147801534e2318f0b1dcc9bb9badb94cafa43cdfefb6719a81fb84437ac703b5a25a1a9855e438dec9d219dbf53d013f669d918ddd138ad6998861b",
    "signer": "0xff56e94800bDdD3478A34765243D06F0240D7BEf",
    "userId": "128375910"
  }
}