Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwE9aUX4SeRatlO/EhYP6CcR3VJhmBP58zr0ZY1Eo+z9HTs5h8kPCXFPKaAn… (844 chars)"
  }
}