Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBR1IzAHgVYZhzA1y5+hs4V/DnRlB2dFmMKYq7X6FvmbnjMfz8ZngADubHr… (844 chars)"
  }
}