Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFP5U7qy7RrpdD3lUvG0OERCTMB44X6NqGL7xp+Qy05lQWFYgvCqBD/iWhV… (844 chars)"
  }
}