Create Request Message

const response = await fetch('https://api.platform.softwareone.com/public/v1/commerce/requests/{requestId}/messages', {
    method: 'POST',
    headers: {
      "Content-Type": "application/json"
    },
    body: JSON.stringify({
      "content": "text"
    }),
});
const data = await response.json();

{
  "id": "text",
  "href": "text",
  "type": "text",
  "content": "text"
}