curl --request PATCH \
  --url https://api.getgranite.ai/api/organizations/{organization_id}/members/{member_id}/role \
  --header 'Content-Type: application/json' \
  --data '
{
  "role": "<string>"
}
'

{
  "status": "<string>",
  "message": "<string>",
  "member_id": "<string>",
  "role": "<string>"
}