Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGzZzFXdkxSJWiX2e/1W67vlLzgCOkgW4ZGffHzKvwewxhBwM55fL3ViWqS… (844 chars)"
  }
}