Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwIc3WzQxkPpRq7ov3oAXmF5bxHdKqbFBF9AfdmcLN7p+SkP/lE1oZLoyDr+… (844 chars)"
  }
}