Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwL2yZ7mdZyUEbetC1Bx3JbekI41nJE1wh3yEw7pJOzQyG2t8LMG7mT5Wbay… (844 chars)"
  }
}