{
"challenge": "string",
"relyingPartyId": "string",
"relyingPartyName": "string",
"userId": "2c4a230c-5085-4924-a3e1-25fb4fc5965b",
"userName": "string",
"userDisplayName": "string",
"pubKeyCredParams": [
{
"type": "publicKey",
"alg": "rS256"
}
]
}