Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwDnOFDrFBXjlpvzp/GC8N6ZsmFotv+A6Rl+/pZaxk749U90WEL7rB6T8m1D… (844 chars)"
  }
}