Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHtP8ftGx+KIVyW6rBqT4gDNCHNrOfStY1+p/V07Kn39k7DKnRrQQ8kqhxZ… (844 chars)"
  }
}