{
  "manageEntity": {
    "action": "Create",
    "entityId": "1199782005",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"WAVES\",\"is_private\":false,\"is_album\":true,\"license\":\"\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"parental_warning_type\":null,\"playlist_contents\":[{\"timestamp\":1776456272,\"metadata_timestamp\":1776456272,\"track_id\":1857966131},{\"timestamp\":1776456272,\"metadata_timestamp\":1776456272,\"track_id\":361113652}],\"is_stream_gated\":false,\"stream_conditions\":null,\"is_scheduled_release\":false,\"playlist_image_sizes_multihash\":\"baeaaaiqsebljztxlz24ufeawe3vghzfzkroxhchser2qqmezlbjyh7yuxlxuc\"}}",
    "nonce": "0xf15e7cec0c8cf2e58fbf8fc51cda4c876734e1f0d915f53a64e222fd7fe81311",
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    "userId": "264035298"
  }
}