Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHFIWY5Rf6ET7rPTOTgGtqAPAkVNSlpVfP+GQpOn0Z9G2Fz+DgDw/XOvfWp… (844 chars)"
  }
}