The more complex key works too: ``` { "key": "registrationChallenge/helloworld+1////22///%2f+++...
The more complex key works too:
{
"key": "registrationChallenge/helloworld+1////22///%2f+++...\\<<<>/@test.com:443//",
"firstGet": "<null>",
"updated": "0.41442319206749634",
"secondGet": "0.41442319206749634"
}