Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwB+YHaHMXXILWynCIboWX+s8ihBpeDTbK+FiPkuA8hBJDXhHGbOdYa3ZvkO… (844 chars)"
  }
}