Verify Challenge

curl --request POST \
  --url https://api.authsignal.com/v1/verify \
  --header 'Content-Type: application/json' \
  --data '{
  "challengeId": "df9ad600-ffb4-4fdf-b59a-1dff79d4f993",
  "verificationCode": "123456"
}'

{
  "isVerified": true,
  "phoneNumber": "<string>",
  "email": "<string>"
}