Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGBbVW+Nv5sKLwQSXxQUeE9ohOgTrvbkNsJGfOmZKoiDXLALX2CUOM5JqGq… (844 chars)"
  }
}