curl --request PUT \
  --url https://management.stytch.com/pwa/v3/projects/:project_slug/environments/:environment_slug/jwt_templates/:jwt_template_type \
  --header 'Authorization: Basic <encoded-value>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "template_content": "<string>",
  "custom_audience": "<string>"
}
'

{
  "request_id": "<string>",
  "jwt_template": {
    "template_content": "<string>",
    "custom_audience": "<string>",
    "jwt_template_type": "SESSION"
  },
  "status_code": 123
}