{
  "manageEntity": {
    "action": "Create",
    "entityId": "1880481867",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1880481867,\"description\":\"\",\"playlist_name\":\"New Playlist\",\"is_private\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0x6a54a437b0b90da00a0e50d4f4e8c0969ce777d600173445fc90c0516bf99eeb",
    "signature": "0xadcc4e4ea13947981849893d741aadf7124f6bbb00981645f79d76f3f9158c2a698d33a458eed28163bc2c3ae494529f3c43ab137e5ca3e4d879ac5fd13f974b1b",
    "signer": "0x661bc974c74EC62717064679594BF10c602313E0",
    "userId": "943930963"
  }
}