Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHtNOd3UIG1k9v2gM9JYW2nq/cTUzT6j+uoykQ8BN74EQNgGN2vCFxXQ4pV… (844 chars)"
  }
}