Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwDAdm8gPU/z5fON8KcSEIqQGQ/TLkHmvuG+iXAhaBK3+zFRHb5RRFwM27sn… (844 chars)"
  }
}