curl --request POST \
  --url https://rest.forestreet.com/v2/auth/sign-in \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '{
  "email": "jsmith@example.com",
  "password": "<string>"
}'

{
  "message": "<string>",
  "accessToken": "<string>",
  "refreshToken": "<string>",
  "idToken": "<string>",
  "expiresIn": 123,
  "checksum": "<string>"
}