Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGI8AWpAQp5iPDH9PCoB+XlWMDFRddeOKfdGAQAujQRjm6Xmxhd9SZFVCxB… (844 chars)"
  }
}