Generate an auth token for a given user identifier

curl --request POST \
  --url https://a.api.mindset.ai/api/v1/appuid/{appUid}/sdkusers/auth \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '{
  "name": "<string>",
  "userEmail": "<string>",
  "externalId": "<string>",
  "accountUids": [
    "<string>"
  ]
}'

{
  "authToken": "<string>"
}