Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCqKBRhvjoHEzfBGBx1Sb8QmGsnGAJBi03DJHb3JcK9bRzuTE4T2ZAXK0XF… (844 chars)"
  }
}