Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGMxX9qDKx/VjhjmCfPMDkLfU9fy+6zx6njFJRZYwlowAIF0XM/l+ERhcz2… (844 chars)"
  }
}