Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwF6dWp+s2m7Mq+cjkjiqNuzw1WeTCU0HLIk9Pc/dMXwiiPQLRCJCEu03qo1… (844 chars)"
  }
}