Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFsmo2rbF8pDpxfFdz8KRrL+Ybgr6gpN1dBzAX+Zot7OWqRpT9ppSl3NrA+… (844 chars)"
  }
}