{
  "manageEntity": {
    "action": "Create",
    "entityId": "224804046",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":224804046,\"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": "0x0bab4033a841e173ecf8b28e0ec80b1c4bc50fcd6c16ea09e1a8ccb4445c34d5",
    "signature": "0x29a08902583439a0724852620cdc0cded373aba9e0de28bc85900f99c8455cc3083d938d14ce08f37f1308e584285ecd508ea631e7e1c378a0d8dec8cb20928b1b",
    "signer": "0x1961E82211635ca2869C701e71e4b7ac0277c713",
    "userId": "148365926"
  }
}