Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGaI9tQH6nDHYFvR/qDDiY5vC7SIW5E+CVFeSr32iFZ/yGQsBAe2Li3Rr2B… (844 chars)"
  }
}