message: fix: only send Content-Type header to proxy if body content is sent
diff: @@ -50,7 +50,7 @@ export async function runMethod<T = any>(
  body: body ? JSON.stringify(body) : undefined,
  headers: {
  Authorization: rest.secretKey,
  - "Content-Type": "application/json",
  + "Content-Type": body ? "application/json" : undefined,
  },
  method,
  });
  