Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBSlEsFvZ6WiJA34nOtC4IZTTwbE+EMBs5l+Qab4FQMFgM5eAXPFtPgfxgO… (844 chars)"
  }
}