{
  "manageEntity": {
    "action": "Create",
    "entityId": "669187298",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":669187298,\"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": "0x0dff0baf82df27958fd3488f567c0f24aad7f0d748ba5eb72415d519e1f5028b",
    "signature": "0x564122a28c1698427048b5514c288feec5967f6336326786f71c763e67f2b3c609b5c599888704d9ea8506387c4e90d737c181166f7da0a38c62536f9db13ea41b",
    "signer": "0xC7f1C5c105933bBdAC0c8A3219204f23AD4f3320",
    "userId": "381638009"
  }
}